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 # Changelog Roundcube Webmail
 
 ## Unreleased
 
 - Fix current script state after initial scripts creation in managesieve_kolab_master mode
 
 ## Release 1.5.9
 
 - Fix regression where printing/scaling/rotating image attachments was broken (#9571)
 - Fix regression where HTML messages were displayed unstyled (#9586)
 
 ## Release 1.5.8
 
 - Fix XSS vulnerability in post-processing of sanitized HTML content [CVE-2024-42009]
 - Fix XSS vulnerability in serving of attachments other than HTML or SVG [CVE-2024-42008]
 - Fix information leak (access to remote content) via insufficient CSS filtering [CVE-2024-42010]
 - Fix so install/update scripts do not require PEAR (#9037)
 
 ## Release 1.5.7
 
 - Enigma: Fix finding of a private key when decrypting a message using GnuPG v2.3
 - Fix TinyMCE localization installation (#9266)
 - Makefile: Use phpDocumentor v3.4 for the Framework docs (#9313)
 - Fix command injection via crafted im_convert_path/im_identify_path on Windows
 - Fix cross-site scripting (XSS) vulnerability in handling list columns from user preferences
 - Fix cross-site scripting (XSS) vulnerability in handling SVG animate attributes
 
 ## Release 1.5.6
 
 - Fix cross-site scripting (XSS) vulnerability in setting Content-Type/Content-Disposition for attachment preview/download
 
 ## Release 1.5.5
 
 - Fix cross-site scripting (XSS) vulnerability in handling of SVG in HTML messages (#9168)
 
 ## Release 1.5.4
 
 - Fix cross-site scripting (XSS) vulnerability in handling of linkrefs in plain text messages
 - Fix so output of log_date_format with microseconds contains time in server time zone, not UTC
 - Fix so N property always exists in a vCard export (#8771)
 - Fix so rcmail::format_date() works with DateTimeImmutable input (#8867)
 - Fix bug where a non-ASCII character in app.js could cause error in javascript engine (#8894)
 
 ## Release 1.5.3
 
+- Support for HAproxy protocol header in IMAP connections (#8625)
 - Enigma: Support Kolab's Web Of Anti-Trust feature (#8626)
 - Enigma: Fix initial synchronization of private keys
 - Enigma: Fix double quoted-printable encoding of pgp-signed messages with no attachments (#8413)
 - Fix various PHP8 warnings (#8392)
 - Fix mail headers injection via the subject field on mail compose (#8404)
 - Fix bug where small message/rfc822 parts could not be decoded (#8408)
 - Fix setting HTML mode on reply/forward of a signed message (#8405)
 - Fix handling of RFC2231-encoded attachment names inside of a message/rfc822 part (#8418)
 - Fix bug where some mail parts (images) could have not be listed as attachments (#8425)
 - Fix bug where attachment icons were stuck at the top of the messages list in Safari (#8433)
 - Fix handling of message/rfc822 parts that are small and are multipart structures with a single part (#8458)
 - Fix bug where session could time out if DB and PHP timezone were different (#8303)
 - Fix bug where DSN flag state wasn't stored with a draft (#8371)
 - Fix broken encoding of HTML content encapsulated in a RTF attachment (#8444)
 - Fix problem with aria-hidden=true on toolbar menus in the Elastic skin (#8517)
 - Fix bug where title tag content was displayed in the body if it contained HTML tags (#8540)
 - Fix support for DSN specification without host e.g. pgsql:///dbname (#8558)
 
 ## Release 1.5.2
 
 - OAuth: pass 'id_token' to 'oauth_login' plugin hook (#8214)
 - OAuth: fix expiration of short-lived oauth tokens (#8147)
 - OAuth: fix relative path to assets if /index.php/foo/bar url is used (#8144)
 - OAuth: no auto-redirect on imap login failures (#8370)
 - OAuth: refresh access token in 'refresh' plugin hook (#8224)
 - Fix so folder search parameters are honored by subscriptions_option plugin (#8312)
 - Fix password change with Directadmin driver (#8322, #8329)
 - Fix so css files in plugins/jqueryui/themes will be minified too (#8337)
 - Fix handling of unicode/special characters in custom From input (#8357)
 - Fix some PHP8 compatibility issues (#8363)
 - Fix chpass-wrapper.py helper compatibility with Python 3 (#8324)
 - Fix scrolling and missing Close button in the Select image dialog in Elastic/mobile (#8367)
 - Security: Fix cross-site scripting (XSS) via HTML messages with malicious CSS content
 
 ## Release 1.5.1
 
 - Fix importing contacts with no email address (#8227)
 - Fix so session's search scope is not used if search is not active (#8199)
 - Fix some PHP8 warnings (#8239)
 - Fix so dark mode state is retained after closing the browser (#8237)
 - Fix bug where new messages were not added to the list on refresh if skip_deleted=true (#8234)
 - Fix colors on "Show source" page in dark mode (#8246)
 - Fix handling of dark_mode_support:false setting in skins meta.json - also when devel_mode=false (#8249)
 - Fix database initialization if db_prefix is a schema prefix (#8221)
 - Fix undefined constant error in Installer on Windows (#8258)
 - Fix installation/upgrade on MySQL 5.5 - Index column size too large (#8231)
 - Fix regression in setting of contact listing name (#8260)
 - Fix bug in Larry skin where headers toggle state was reset on full page preview (#8203)
 - Fix bug where \u200b characters were added into the recipient input preventing mail delivery (#8269)
 - Fix charset conversion errors on PHP < 8 for charsets not supported by mbstring (#8252)
 - Fix bug where adding a contact to trusted senders via "Always allow from..." button didn't work (#8264, #8268)
 - Fix bug with show_images setting where option 1 and 3 were swapped (#8268)
 - Fix PHP fatal error on an undefined constant in contacts import action (#8277)
 - Fix fetching headers of multiple message parts at once in rcube_imap_generic::fetchMIMEHeaders() (#8282)
 - Fix bug where attachment download could sometimes fail with a CSRF check error (#8283)
 - Fix an infinite loop when parsing environment variables with float/integer values (#8293)
 - Fix so 'small-dark' logo has more priority than the 'small' logo (#8298)
 
 ## Release 1.5.0
 
 - Support displaying RTF content (including encapsulated HTML) from a TNEF attachment
 - Disable the default spellchecker option using spell.roundcube.net (#8182)
 - Newmail_notifier: Improved the notification sound (#8155)
 - Fix size of Mailvelope iframe for PGP-inlined mail, again (#8126)
 - Fix handling of group names with @ character in autocomplete and contacts widget (#8098)
 - Fix Firefox infinate loading display on mail screen (#8128)
 - Fix converting >1MB of HTML content into plain text (#8137)
 - Fix bug where expanding a group in the recipient input could corrupt the input content (#7569)
 - Fix fatal error/warning on invalid input to user parameter (#8152)
 - Fix changing password with dovecot_passwdfile driver (#8145)
 - Fix handling of headers that occur multiple times by show_additional_headers plugin (#8157)
 - Fix bug where vertical scrollbar in new HTML message bounced back on scroll (#8046)
 - Fix displaying inline images with incorrectly declared content-type (#8158)
 - Fix so addr-spec with missing closing angle bracket can be parsed (#8164)
 - Fix handling of spellcheck connection errors (#8172)
 - Fix a couple of PHP8 warnings (#8175, #8176)
 - Fix bug where "from my contacts" and "from trusted senders" values were mixed up (#8177)
 - Fix password/token length check on OAuth login (#8178)
 - Fix XSS issue in handling attachment filename extension in mimetype mismatch warning (#8193)
 - Fix SQL injection via some session variables
 - Fix handling of dark_mode_support:false setting in skins meta.json (#8186)
 - Fix security issues regarding server name and trusted_host_patterns setting
 
 ## Release 1.5-rc
 
 - Upgrade to TinyMCE 5.8.2
 - SMTP XCLIENT support (#7893, #6411)
 - Add IDN homograph attack (spoofing) detection [CVE-2019-15237] (#6891)
 - Add configuration options for subject prefixes (#7929, #4981)
 - Support IMAP LITERAL- extension [RFC 7888] (#6878)
 - Warn the user about a potential data leak on mail bounce or forward (#7993)
 - Make the Empty action available for every non-empty folder, not only Trash (#7948)
 - Remove (incorrect) use of Return-Receipt-To header (#8069)
 - Submit various simple dialog forms with the Enter key (#7133)
 - Add RFC2231 support to rcube_mime_decode (#7390)
 - Plugin API: Allow modification of 'error' argument in 'message_send_error' hook (#7914)
 - OAuth: add plugin hooks `oauth_login` and `oauth_refresh_token` for oauth events (#8028, #8040)
 - Debug_logger: Fix the main plugin functionality and documentation (#8041)
 - Enigma: Fix bug where signature verification could fail for non-ascii bodies (#7919)
 - Enigma: Fix invalid expiration dates of PGP keys on a 32bit system (#7531)
 - Enigma: Display an information that public and private keys are stored on the server (#7941)
 - Enigma: Optional support for passwordless keys (#7265)
 - Managesieve: Fix removing nested rules in scripts (#8011)
 - Managesieve: Support XOAUTH2, requires Net_Sieve 1.4.5 (#7925)
 - Managesieve: Added ability to remove 'redirect' option from UI (#7922)
 - New_user_dialog: Use the 'identity_update' hook (#8023)
 - Password: Fix broken 'hmail' driver (#7966)
 - Password: Set password_minimum_length to 8 by default (#8003)
 - Vcard_attachments: Improve handling of multiple contacts (#7027)
 - Fix inserting a group from non-default source using the Insert contact(s) dialog (#8095)
 - Fix invalid search fields after search scope change (#6919)
 - Fix so "Always allow from..." button appears also when allow_images=3 (#7961)
 - Fix Elastic's pretty select scroll position in Chrome (#7964)
 - Fix bug where invalid non-unicode characters in JSON output could make the UI unresponsive (#7955)
 - Fix PHP 8 fatal error when allowing images in an email (#7968)
 - Fix so session expiration is more precise and do not depend on the garbage collector (#7576)
 - Fix bug where imap_conn_options settings were ignored (#7912)
 - Fix bug causing some HTML message content to be not centered in Elastic skin (#7911)
 - Fix bug when sending an email and recipient's email address contains a trailing dot (#7899)
 - Fix bug where the list page wasn't reset when changing a folder on mail view page (#7932)
 - Fix so selecting the same folder to reset search resets also the page number (#7125)
 - Fix login page rendering after oauth failure (#7812,#7923)
 - Fix bug where assigning users to groups via menu (not drag'n'drop) could fail in Elastic theme (#7973)
 - Fix HTML5 parser issue with a messy HTML code from Outlook (#7356)
 - Fix handling of multiple link references with the same index in plain text message (#8021)
 - Fix various actions on folders with angle brackets in name (#8037)
 - Fix inconsistent fowarding actions statuses on drafts (#8039)
 - Fix bug where `start` and `reversed` attributes of `ol` tag were ignored (#8059)
 - Fix bug where consecutive LDAP searches could return wrong results (#8064)
 - Fix bug where plus characters in attachment filename could have been ignored (#8074)
 - Fix displaying HTML body with inline images encapsulated using TNEF format (winmail.dat)
 - Fix handling of custom sender addresses with names (#8106)
 - Fix shift + drag'n'drop menu not working in Elastic skin with Chrome browser (#8107)
 
 ## Release 1.5-beta
 
 - Require PHP >= 5.5
 - Support PHP 8.0 (#7625)
 - Require php-intl
 - Remove use of Net_IDNA2 package
 - Require GuzzleHttp\Client
 - Upgrade to TinyMCE 5.5.1
 - Upgrade to jQuery 3.5.1 (#7464)
 - Update build tools (#7800, #7804, #7497):
     - jsshrink.sh: Replace google-closure-compiler with UglifyJS
     - cssshrink.sh: Replace yuicompressor with csso
     - require lessc >= 2.5.2 (and add support for v4) with less-plugin-clean-css for Less files compilation
 - Automatically collected recipients and trusted senders (#6904)
     - Added configurable Collected Recipients addressbook source (#4971)
     - Added configurable Trusted Senders addressbook source (#5046)
     - Added 'contact_exists' hook
     - Added separate "trusted senders" options for show_images and mdn_request preferences (#7614)
 - Contact form mode: private/business (#7630)
 - OAuth/XOauth support (#7425, #6933)
 - Cache refactoring (#6312)
 - Added special value 'email' to login_username_filter, it changes also logon input type (#7179)
 - Allow array in smtp_host config (#7296)
 - Support proxy for server-side HTTP requests (#7658)
 - By default do not set the User-Agent header (#7731)
 - Add possibility to (re-)define field mapping on contacts import from a CSV file (#7045, #6668)
 - Move "On request for return receipt" from "Mailbox View" to "Displaying Messages" (#7614)
 - Support RFC8438: IMAP STATUS=SIZE - for faster folder size calculation (#7269)
 - MySQL: Use utf8mb4 charset and utf8mb4_unicode_ci collation (#6535, #7113)
 - Allow NULL in users.preferences column in postgres and sqlite db, the same as for other engines (#7767)
 - Support for language codes up to 16 chars long (e.g. es-419) in database schema (#6851)
 - Relaxed domain name validation for extended TLDs support (#5588)
 - Allow opening application/octet-stream attachments according to filename extension (#6821)
 - Added support for INSERT OR REPLACE queries (#6771)
 - Allow skins to define which layout options they support (#7235)
 - Extract RFC2231 attachment name from message headers (#6729, #6783)
 - Add support for SameSite cookie attribute via session_samesite option (req PHP >= 7.3.0) (#6772)
 - Change folders sorting so shared/other users namespaces are listed last (#5012)
 - Display a warning and do not try to open empty attachments (#7332)
 - Return 204 rather than 404 on missing contact photo (#7777)
 - Add 'reconnect' plugin to retry IMAP connection (#7844)
 - Plugin API: Added 'message' argument to 'message_compose_body' hook
 - Plugin API: Added 'preferences' parameter to 'user_create' hook (#7692)
 - Elastic: Dark mode (#6709)
 - Elastic: Display email size on the list of messages (#7162)
 - Elastic: Replace properties sidebar with a dialog on the attachment preview page (#7635)
 - Elastic: Minimize forms/colors blink on page load
 - Elastic: Improve mail header "detailed mode" (#7224)
 - Elastic: Moving single recipients between recipient inputs with drag-n-drop (#5069)
 - Elastic: Display a special icon for other users and shared namespace roots (#5012)
 - Elastic: Support space-separated email addresses in recipient input (#6529, #6457)
 - Elastic: Remember list checkbox selection state (#7148)
 - Elastic: Add "Open in new window" in mail compose (#7260)
 - Elastic: Make custom less files optional (#7497)
 - Elastic: Prevent from opening mail preview in a new window on touch devices using double tap (#7732)
 - Templates: Add support for expressions in object attributes (#7237)
 - Templates: Add support for nested if conditions (#6818)
 - Templates: Make [space][slash] ending of condition objects optional (#6954)
 - Mailvelope: Fix size of iframe for PGP-inlined mail (#7348)
 - Mailvelope: Add config option to use Main Keyring (#7348, #7157)
 - Mailvelope: Add config option to set the size for new keys (#7348)
 - Mailvelope: Always ask before discarding email currently being composed (#7348)
 - Mailvelope: Fix unnecessary warning to re-add attachments when restoring a draft (#7348)
 - Archive: Added options to split archive by year or year+month and folder (#7216)
 - Enigma: Support ECC key generation - when using GnuPG >= 2.1.7 (#6853)
 - Managesieve: Add support for 'spamtest' extension - RFC3685 (#6950)
 - Managesieve: Allow display name with email address in vacation :from field (#6760)
 - Managesieve: Improve UX on custom header input (#7207)
 - Managesieve: Fix bug where activation of forward/vacation rule could activate a wrong script (#7423)
 - Managesieve: Fix bug where forward/vacation rule could end up being duplicated (#7349)
 - new_user_identity: Fix missing password for user-specific LDAP operations (#7667)
 - Password: Added 'pwned' password strength driver (#7274)
 - Password: Added Mail-in-a-Box (miab) driver (#7824)
 - Password: Added TinyCP driver (#7510)
 - Password: Added httpapi driver to connect to generic HTTP/HTTPS APIs (#7439)
 - Password: Added dovecot_passwdfile driver (#5786)
 - Password: Removed old 'cpanel' driver, 'cpanel_webmail' driver renamed to 'cpanel' (#7780)
 - Fix handling of address groups in email headers by ignoring their names (#7663)
 - Fix so message flags are updated on refresh also for multifolder search results (#7774)
 - Fix so IMAP ID command is send only after authentication (#7517)
 - Fix bug where it wasn't possible to save Spanish (Latin America) locale preference (#7784)
 - Fix mail search error on invalid search_mods definition (#7789)
 - Fix error when dealing with message/rfc822 attachments using Gmail IMAP (#6854)
 - Fix ISO-2022-JP-MS encoding issues (#7091)
 - Fix so messages in threads with no root aren't displayed separately (#4999)
 - Fix so anchor tags without href attribute are not modified (#7413)
 - Fix invalid IMAP SEARCH command in some rare case on messages cache synchronization (#7895)
 - Fix so allowing remote resources does not add an entry to browser history (#6620)
 
 ## Release 1.4.11
 
 - Display a nice error informing about no PHP8 support
 - Elastic: Fix compatibility with Less v3 and v4 (#7813)
 - Fix bug with managesieve_domains in Settings > Forwarding form (#7849)
 - Fix errors in MSSQL database update scripts (#7853)
 - Security: Fix cross-site scripting (XSS) via HTML messages with malicious CSS content
 
 ## Release 1.4.10
 
 - Fix extra angle brackets in In-Reply-To header derived from mailto: params (#7655)
 - Fix folder list issue whan special folder is a subfolder (#7647)
 - Fix Elastic's folder subscription toggle in search result (#7653)
 - Fix state of subscription toggle on folders list after changing folder state from the search result (#7653)
 - Security: Fix cross-site scripting (XSS) via HTML or Plain text messages with malicious content [CVE-2020-35730]
 
 ## Release 1.4.9
 
 - Fix HTML editor in latest Chrome 85.0.4183.102, update to TinyMCE 4.9.11 (#7615)
 - Add missing localization for some label/legend elements in userinfo plugin (#7478)
 - Fix importing birthday dates from Gmail vCards (BDAY:YYYYMMDD)
 - Fix restoring Cc/Bcc fields from local storage (#7554)
 - Fix jstz.min.js installation, bump version to 1.0.7
 - Fix link to closure compiler in bin/jsshrink.sh script (#7567)
 - Fix incorrect PDO::lastInsertId() use in sqlsrv driver (#7564)
 - Fix bug where some parts of a message could have been missing in a reply/forward body (#7568)
 - Fix empty space on mail printouts in Chrome (#7604)
 - Fix empty output from HTML5 parser when content contains XML tag (#7624)
 - Fix scroll jump on key press in plain text mode of the HTML editor (#7622)
 - Fix so autocompletion list does not hide on scroll inside it (#7592)
 
 ## Release 1.4.8
 
 - Fix support for an error as a string in message_before_send hook (#7475)
 - Elastic: Fix redundant scrollbar in plain text editor on mail reply (#7500)
 - Elastic: Fix deleted and replied+forwarded icons on messages list (#7503)
 - Managesieve: Fix too-small input field in Elastic when using custom headers (#7498)
 - Managesieve: Allow angle brackets in out-of-office message body (#7518)
 - Fix bug in conversion of email addresses to mailto links in plain text messages (#7526)
 - Fix format=flowed formatting on plain text part derived from the HTML content (#7504)
 - Fix incorrect rewriting of internal links in HTML content (#7512)
 - Fix handling links without defined protocol (#7454)
 - Fix paging of search results on IMAP servers with no SORT capability (#7462)
 - Fix detecting special folders on servers with both SPECIAL-USE and LIST-STATUS (#7525)
 - Security: Fix cross-site scripting (XSS) via HTML messages with malicious svg content [CVE-2020-16145]
 - Security: Fix cross-site scripting (XSS) via HTML messages with malicious math content
 - Security: Fix potential XSS issue in HTML editor of the identity signature input (#7507)
 
 ## Release 1.4.7
 
 - Fix bug where subfolders of special folders could have been duplicated on folder list
 - Increase maximum size of contact jobtitle and department fields to 128 characters
 - Fix missing newline after the logged line when writing to stdout (#7418)
 - Elastic: Fix context menu (paste) on the recipient input (#7431)
 - Fix problem with forwarding inline images attached to messages with no HTML part (#7414)
 - Fix problem with handling attached images with same name when using database_attachments/redundant_attachments (#7455)
 - Security: Fix cross-site scripting (XSS) via HTML messages with malicious svg/namespace [CVE-2020-15562]
 
 ## Release 1.4.6
 
 - Installer: Fix regression in SMTP test section (#7417)
 
 ## Release 1.4.5
 
 - Fix bug in extracting required plugins from composer.json that led to spurious error in log (#7364)
 - Fix so the database setup description is compatible with MySQL 8 (#7340)
 - Markasjunk: Fix regression in jsevent driver (#7361)
 - Fix missing flag indication on collapsed thread in Larry and Elastic (#7366)
 - Fix default keyservers (use keys.openpgp.org), add note about CORS (#7373, #7367)
 - Password: Fix issue with Modoboa driver (#7372)
 - Mailvelope: Use sender's address to find pubkeys to check signatures (#7348)
 - Mailvelope: Fix Encrypt button hidden in Elastic (#7353)
 - Fix PHP warning: count(): Parameter must be an array or an object... in ID command handler (#7392)
 - Fix error when user-configured skin does not exist anymore (#7271)
 - Elastic: Fix aspect ratio of a contact photo in mail preview (#7339)
 - Fix bug where PDF attachments marked as inline could have not been attached on mail forward (#7382)
 - Security: Fix a couple of XSS issues in Installer (#7406)
 - Security: Fix XSS issue in template object 'username' (#7406)
 - Security: Better fix for CVE-2020-12641
 - Security: Fix cross-site scripting (XSS) via malicious XML attachment
 
 ## Release 1.4.4
 
 - Fix bug where attachments with Content-Id were attached to the message on reply (#7122)
 - Fix identity selection on reply when both sender and recipient addresses are included in identities (#7211)
 - Elastic: Fix text selection with Shift+PageUp and Shift+PageDown in plain text editor when using Chrome (#7230)
 - Elastic: Fix recipient input bug when using click to select a contact from autocomplete list (#7231)
 - Elastic: Fix color of a folder with recent messages (#7281)
 - Elastic: Restrict logo size in print view (#7275)
 - Fix invalid Content-Type for messages with only html part and inline images - Mail_Mime-1.10.7 (#7261)
 - Fix missing contact display name in QR Code data (#7257)
 - Fix so button label in Select image/media dialogs is "Close" not "Cancel" (#7246)
 - Fix regression in testing database schema on MSSQL (#7227)
 - Fix cursor position after inserting a group to a recipient input using autocompletion (#7267)
 - Fix string literals handling in IMAP STATUS (and various other) responses (#7290)
 - Fix bug where multiple images in a message were replaced by the first one on forward/reply/edit (#7293)
 - Fix handling keyservers configured with protocol prefix (#7295)
 - Markasjunk: Fix marking as spam/ham on moving messages with Move menu (#7189)
 - Markasjunk: Fix bug where moving to Junk was failing on messages selected with Select > All (#7206)
 - Fix so imap error message is displayed to the user on folder create/update (#7245)
 - Fix bug where a special folder couldn't be created if a special-use flag is not supported (#7147)
 - Mailvelope: Fix bug where recipients with name were not handled properly in mail compose (#7312)
 - Fix characters encoding in group rename input after group creation/rename (#7330)
 - Fix bug where some message/rfc822 parts could not be attached on forward (#7323)
 - Make install-jsdeps.sh script working without the 'file' program installed (#7325)
 - Fix performance issue of parsing big HTML messages by disabling HTML5 parser for these (#7331)
 - Fix so Print button for PDF attachments works on Firefox >= 75 (#5125)
 - Security: Fix XSS issue in handling of CDATA in HTML messages [CVE-2020-12625]
 - Security: Fix remote code execution via crafted 'im_convert_path' or 'im_identify_path' settings [CVE-2020-12641]
 - Security: Fix local file inclusion (and code execution) via crafted 'plugins' option [CVE-2020-12640]
 - Security: Fix CSRF bypass that could be used to log out an authenticated user [CVE-2020-12626] (#7302)
 
 ## Release 1.4.3
 
 - Enigma: Fix so key list selection is reset when opening key creation form (#7154)
 - Enigma: Fix so using list checkbox selection does not load the key preview frame
 - Enigma: Fix generation of key pairs for identities with IDN domains (#7181)
 - Enigma: Display IDN domains of key users and identities in UTF8
 - Enigma: Fix bug where "Send unencrypted" button didn't work in Elastic skin (#7205)
 - Managesieve: Fix bug where it wasn't possible to save flag actions (#7188)
 - Markasjunk: Fix bug where marking as spam/ham didn't work on moving messages with drag-and-drop (#7137)
 - Password: Make chpass-wrapper.py Python 3 compatible (#7135)
 - Elastic: Fix disappearing sidebar in mail compose after clicking Mail button
 - Elastic: Fix incorrect aria-disabled attribute on Mail taskmenu button in mail compose
 - Elastic: Fix bug where it was possible to switch editor mode when 'htmleditor' was in 'dont_override' (#7143)
 - Elastic: Fix text selection in recipient inputs (#7129)
 - Elastic: Fix missing Close button in "more recipients" dialog
 - Elastic: Fix non-working folder subscription checkbox for newly added folders (#7174)
 - Fix regression where "Open in new window" action didn't work (#7155)
 - Fix PHP Warning: array_filter() expects parameter 1 to be array, null given in subscriptions_option plugin (#7165)
 - Fix unexpected error message when mail refresh involves folder auto-unsubscribe (#6923)
 - Fix recipient duplicates in print-view when the recipient list has been expanded (#7169)
 - Fix bug where files in skins/ directory were listed on skins list (#7180)
 - Fix bug where message parts with no Content-Disposition header and no name were not listed on attachments list (#7117)
 - Fix display issues with mail subject that contains line-breaks (#7191)
 - Fix invalid Content-Transfer-Encoding on multipart messages - Mail_Mime fix (#7170)
 - Fix regression where using an absolute path to SQLite database file on Windows didn't work (#7196)
 - Fix using unix:///path/to/socket.file in memcached driver (#7210)
 
 ## Release 1.4.2
 
 - Add support for PHPUnit 6 and 7 (#6870)
 - Plugin API: Make actionbefore, before<action>, actionafter and after<action> events working with plugin actions (#7106)
 - Managesieve: Replace "Filter disabled" with "Filter enabled" (#7028)
 - Managesieve: Fix so modifier type select wasn't hidden after hiding modifier select on header change
 - Managesieve: Fix filter selection after removing a first filter (#7079)
 - Markasjunk: Fix marking more than one message as spam/ham with email_learn driver (#7121)
 - Password: Fix kpasswd and smb drivers' double-escaping bug (#7092)
 - Enigma: Add script to import keys from filesystem to the db storage (for multihost)
 - Installer: Fix DB Write test on SQLite database ("database is locked" error) (#7064)
 - Installer: Fix so SQLite DSN with a relative path to the database file works in Installer
 - Elastic: Fix contrast of warning toasts (#7058)
 - Elastic: Simple search in pretty selects (#7072)
 - Elastic: Fix hidden list widget on mobile/tablet when selecting folder while search menu is open (#7120)
 - Fix so type attribute on script tags is not used on HTML5 pages (#6975)
 - Fix unread count after purge on a folder that is not currently selected (#7051)
 - Fix bug where Enter key didn't work on messages list in "List" layout (#7052)
 - Fix bug where deleting a saved search in addressbook caused display issue on sources/groups list (#7061)
 - Fix bug where a new saved search added after removing all searches wasn't added to the list (#7061)
 - Fix bug where a new contact group added after removing all groups from addressbook wasn't added to the list
 - Fix bug where Ctype extension wasn't required in Installer and INSTALL file (#7049)
 - Fix so install-jsdeps.sh removes Bootstrap's sourceMappingURL (#7035)
 - Fix so use of Ctrl+A does not scroll the list (#7020)
 - Fix/remove useless keyup event handler on username input in logon form (#6970)
 - Fix bug where cancelling switching from HTML to plain text didn't set the flag properly (#7077)
 - Fix bug where HTML reply could add an empty line with extra indentation above the original message (#7088)
 - Fix matching multiple X-Forwarded-For addresses with 'proxy_whitelist' (#7107)
 - Fix so displayed maximum attachment size depends also on 'max_message_size' (#7105)
 - Fix bug where 'skins_allowed' option didn't enforce user skin preference (#7080)
 - Fix so contact's organization field accepts up to 128 characters (it was 50)
 - Fix bug where listing tables in PostgreSQL database with db_prefix didn't work (#7093)
 - Fix bug where 'text' attribute on body tag was ignored when displaying HTML message (#7109)
 - Fix bug where next message wasn't displayed after delete in List mode (#7096)
 - Fix so number of contacts in a group is not limited to 200 when redirecting to mail composer from Contacts (#6972)
 - Fix malformed characters in HTML message with charset meta tag not in head (#7116)
 
 ## Release 1.4.1
 
 - Elastic: Change HTML editor widget to improve form flow (#6992)
 - Elastic: Fix position of mobile floating action button (#7038)
 - Managesieve: Fix locked UI after opening filter frame (#7007)
 - Fix PHP warning: "array_merge(): Expected parameter 2 to be an array, null given in sendmail.inc (#7003)
 - Fix bug where cache keys could exceed length limit specified in db schema (#7004)
 - Fix invalid Signature button state after escaping Mailvelope mode (#7015)
 - Fix so 401 error is returned only on failed logon requests (#7010)
 - Fix db_prefix handling in queries with `TRUNCATE TABLE <name>` and `UNIQUE <name>` (#7013)
 - Fix so update.sh script warns about changed defaults (#7011)
 - Fix tables listing routine when DSN contained a database with unsupported suffix (#7034)
 - Fix so Elastic is also a default in jqueryui plugin (#7039)
 - Fix bug where the Installer would not warn about required schema upgrade (#7042)
 
 ## Release 1.4.0
 
 - Elastic: Resizable columns (#6929)
 - Elastic: Fix position and style of auto-complete dropdown on small screens (#6951)
 - Elastic: Fix initial focus on recipients input in mail compose screen
 - Elastic: Fix inserting responses at cursor position (#6971)
 - Elastic: Fix unread filter icon and search state on folder change (#6978)
 - Elastic: Fix regression where Encrypt button wasn't displayed in mail compose toolbar (#6982)
 - Elastic: Fix regression where recipient input didn't update internal input state (#6988)
 - Enigma: Fix bug where signing option was set to disabled after saving a draft in Elastic skin (#6515)
 - Redis: Improve error handling and phpredis 5.X support (#6888)
 - Archive: Fix bug where next email was not displayed after Archive button use (#6965)
 - Archive: Fix missing Archive icon in folder selector popup in Elastic
 - Fix bug where cache keys were not case-sensitive on MySQL/MSSQL (#6942)
 - Fix so an error is logged when encryption fails (#6948)
 - Fix bug where inline images could have been ignored if Content-Id header contained redundant spaces (#6980)
 - Fix and document skin_logo setup (#6981)
 
 ## Release 1.4-rc2
 
 - Update to jQuery 3.4.1
 - Clarified 'address_book_type' option behavior (#6680)
 - Added cookie mismatch detection, display an error message informing the user to clear cookies
 - Renamed 'log_session' option to 'session_debug'
 - Removed 'delete_always' option (#6782)
 - Don't log full session identifiers in userlogins log (#6625)
 - Support $HasAttachment/$HasNoAttachment keywords (#6201)
 - Support PECL memcached extension as a session and cache storage driver (experimental)
 - Switch to IDNA2008 variant (#6806)
 - installto.sh: Add possibility to run the update even on the up-to-date installation (#6533)
 - Plugin API: Add 'render_folder_selector' hook
 - Added 'keyservers' option to define list of HKP servers for Enigma/Mailvelope (#6326)
 - Added flag to disable server certificate validation via Mysql DSN argument (#6848)
 - Select all records on the current list page with CTRL + A (#6813)
 - Use Left/Right Arrow keys to faster move over threaded messages list (#6399)
 - Changes in `display_next` setting (#6795):
     - Move it to Preferences > User Interface > Main Options
     - Make it apply to Contacts interface too
     - Make it apply only if deleting/moving a previewed message/contact
 - Redis: Support connection to unix socket
 - Put charset meta specification before a title tag, add page title automatically (#6811)
 - Elastic: Various internal refactorings
 - Elastic: Add Prev/Next buttons on message page toolbar (#6648)
 - Elastic: Close search options on Enter key press in quick-search input (#6660)
 - Elastic: Changed some icons (#6852)
 - Elastic: Changed read/unread icons (#6636)
 - Elastic: Changed "Move to..." icon (#6637)
 - Elastic: Add hide/show for advanced preferences (#6632)
 - Elastic: Add default icon on Settings/Preferences lists for external plugins (#6814)
 - Elastic: Add indicator for popover menu items that open a submenu (#6868)
 - Elastic: Move compose attachments/options to the right side (#6839)
 - Elastic: Add border/background to attachments list widget (#6842)
 - Elastic: Add "Show unread messages" button to the search bar (#6587)
 - Elastic: Fix bug where toolbar disappears on attachment menu use in Chrome (#6677)
 - Elastic: Fix folders list scrolling on touch devices (#6706)
 - Elastic: Fix non-working pretty selects in Chrome browser (#6705)
 - Elastic: Fix issue with absolute positioned mail content (#6739)
 - Elastic: Fix bug where some menu actions could cause a browser popup warning
 - Elastic: Fix handling mailto: URL parameters in contact menu (#6751)
 - Elastic: Fix keyboard navigation in some menus, e.g. the contact menu
 - Elastic: Fix visual issue with long buttons in .boxwarning (#6797)
 - Elastic: Fix handling new-line in text pasted to a recipient input
 - Elastic: Fix so search is not reset when returning from the message preview page (#6847)
 - Larry: Fix regression where menu actions didn't work with keyboard (#6740)
 - ACL: Display user/group names (from ldap) instead of acl identifier
 - Password: Added ldap_exop driver (#4992)
 - Password: Added support for SSHA512 password algorithm (#6805)
 - Managesieve: Fix bug where global includes were requested for vacation (#6716)
 - Managesieve: Use RFC-compliant line endings, CRLF instead of LF (#6686)
 - Managesieve: Fix so "Create filter" option does not show up when Filters menu is disabled (#6723)
 - Enigma: For verified signatures, display the user id associated with the sender address (#5958)
 - Enigma: Fix bug where revoked users/keys were not greyed out in key info
 - Enigma: Fix error message when trying to encrypt with a revoked key (#6607)
 - Enigma: Fix "decryption oracle" bug [CVE-2019-10740] (#6638)
 - Enigma: Fix bug where signature verification could have been skipped for some message structures (#6838)
 - Fix language selection for spellchecker in html mode (#6915)
 - Fix css styles leak from replied/forwarded message to the rest of the composed text (#6831)
 - Fix invalid path to "add contact" icon when using assets_path setting
 - Fix invalid path to blocked.gif when using assets_path setting (#6752)
 - Fix so advanced search dialog is not automatically displayed on searchonly addressbooks (#6679)
 - Fix so an error is logged when more than one attachment plugin has been enabled, initialize the first one (#6735)
 - Fix bug where flag change could have been passed to a preview frame when not expected
 - Fix bug in HTML parser that could cause missing text fragments when there was no head/body tag (#6713)
 - Fix bug where HTML messages with a xml:namespace tag were not rendered (#6697)
 - Fix TinyMCE download location (#6694)
 - Fix so "Open in new window" consistently displays "external window" interface (#6659)
 - Fix bug where next row wasn't selected after deleting a collapsed thread (#6655)
 - Fix bug where external content (e.g. mail body) was passed to templates parsing code (#6640)
 - Fix bug where attachment preview didn't work with x_frame_options=deny (#6688)
 - Fix so bin/install-jsdeps.sh returns error code on error (#6704)
 - Fix bug where bmp images couldn't be displayed on some systems (#6728)
 - Fix bug in parsing vCard data using PHP 7.3 due to an invalid regexp (#6744)
 - Fix bug where bold/strong text was converted to upper-case on html-to-text conversion (6758)
 - Fix bug in rcube_utils::parse_hosts() where %t, %d, %z could return only tld (#6746)
 - Fix bug where Next/Prev button in mail view didn't work with multi-folder search result (#6793)
 - Fix bug where selection of columns on messages list wasn't working
 - Fix bug in converting multi-page Tiff images to Jpeg (#6824)
 - Fix bug where handling multiple messages from multi-folder search result could not work (#6845)
 - Fix bug where unread count wasn't updated after moving multi-folder result (#6846)
 - Fix wrong messages order after returning to a multi-folder search result (#6836)
 - Fix some PHP 7.4 compat. issues (#6884, #6866)
 - Fix bug where it was possible to bypass the position:fixed CSS check in received messages (#6898)
 - Fix bug where some strict remote URIs in url() style were unintentionally blocked (#6899)
 - Fix bug where it was possible to bypass the CSS jail in HTML messages using :root pseudo-class (#6897)
 - Fix bug where it was possible to bypass href URI check with data:application/xhtml+xml URIs (#6896)
 
 ## Release 1.4-rc1
 
 - Changed 'password_charset' default to 'UTF-8' (#6522)
 - Add skins_allowed option (#6483)
 - SMTP GSSAPI support via krb_authentication plugin (#6417)
 - Avoid Referer leaking by using Referrer-Policy:same-origin header (#6385)
 - Removed 'referer_check' option (#6440)
 - Use constant prefix for temp file names, don't remove temp files from other apps (#6511)
 - Ignore 'Sender' header on Reply-All action (#6506)
 - deluser.sh: Add option to delete users who have not logged in for more than X days (#6340)
 - HTML5 Upload Progress - as a replacement for the old server-side solution (#6177)
 - Update to TinyMCE 4.8.2
 - Update to jQuery-MiniColors 2.3.4
 - Prevent from using deprecated timezone names from jsTimezoneDetect
 - Force session.gc_probability=1 when using custom session handlers (#6560)
 - Support simple field labels (e.g. LetterHub examples) in csv imports (#6541)
 - Add cache busters also to images used by templates (#6610)
 - Plugin API: Added 'raise_error' hook (#6199)
 - Plugin API: Added 'common_headers' hook (#6385)
 - Plugin API: Added 'ldap_connected' hook
 - Enigma: Update to OpenPGPjs 4.2.1 - fixes user name encoding issues in key generation (#6524)
 - Enigma: Fixed multi-host synchronization of private and deleted keys and pubring.kbx file
 - Managesieve: Added support for 'editheader' extension - RFC5293 (#5954)
 - Managesieve: Fix bug where custom header or variable could be lost on form submission (#6594)
 - Markasjunk: Integrate markasjunk2 features into markasjunk - marking as non-junk + learning engine (#6504)
 - Password: Added 'modoboa' driver (#6361)
 - Password: Fix bug where password_dovecotpw_with_method setting could be ignored (#6436)
 - Password: Fix bug where new users could skip forced password change (#6434)
 - Password: Allow drivers to override default password comparisons (eg new is not same as current) (#6473)
 - Password: Allow drivers to override default strength checks (eg allow for 'not the same as last x passwords') (#246)
 - Password: Allow drivers to define password strength rules displayed to the user
 - Password: Allow separate password saving and strength drivers for use of strength checking services (#5040)
 - Password: Add zxcvbn driver for checking password strength (#6479)
 - Password: Disallow control characters in passwords
 - Password: Add support for Plesk >= 17.8 (#6526)
 - Elastic: Improved datepicker displayed always in parent window
 - Elastic: On touch devices display attachment icons on messages list (#6296)
 - Elastic: Make menu button inactive if all subactions are inactive (#6444)
 - Elastic: On mobile/tablet jump to the list on folder selection (#6415)
 - Elastic: Various improvements on mail compose screen (#6413)
 - Elastic: Support new-line char as a separator for pasted recipients (#6460)
 - Elastic: Improved UX of search dialogs (#6416)
 - Elastic: Fix unwanted thread expanding when selecting a collapsed thread in non-mobile mode (#6445)
 - Elastic: Fix too small height of mailvelope mail preview frame (#6600)
 - Elastic: Add "status bar" for mobile in mail composer
 - Elastic: Add selection options on contacts list (#6595)
 - Elastic: Fix unintentional layout preference overwrite (#6613)
 - Elastic: Fix bug where Enigma options in mail compose could sometimes be ignored (#6515)
 - Log errors caused by low pcre.backtrack_limit when sending a mail message (#6433)
 - Fix regression where drafts were not deleted after sending the message (#6756)
 - Fix so max_message_size limit is checked also when forwarding messages as attachments (#6580)
 - Fix so performance stats are logged to the main console log also when per_user_logging=true
 - Fix malformed message saved into Sent folder when using big attachments and low memory limit (#6498)
 - Fix incorrect IMAP SASL GSSAPI negotiation (#6308)
 - Fix so unicode in local part of the email address is also supported in recipient inputs (#6490)
 - Fix bug where autocomplete list could be displayed out of screen (#6469)
 - Fix style/navigation on error page depending on authentication state (#6362)
 - Fix so invalid smtp_helo_host is never used, fallback to localhost (#6408)
 - Fix custom logo size in Elastic (#6424)
 - Fix listing the same attachment multiple times on forwarded messages
 - Fix bug where a message/rfc822 part without a filename wasn't listed on the attachments list (#6494)
 - Fix inconsistent offset for various time zones - always display Standard Time offset (#6531)
 - Fix dummy Message-Id when resuming a draft without Message-Id header (#6548)
 - Fix handling of empty entries in vCard import (#6564)
 - Fix bug in parsing some IMAP command responses that include unsolicited replies (#6577)
 - Fix PHP 7.2 compatibility in debug_logger plugin (#6586)
 - Fix so ANY record is not used for email domain validation, use A, MX, CNAME, AAAA instead (#6581)
 - Fix so mime_content_type check in Installer uses files that should always be available (i.e. from program/resources) (#6599)
 - Fix missing CSRF token on a link to download too-big message part (#6621)
 - Fix bug when aborting dragging with ESC key didn't stop the move action (#6623)
 
 ## Release 1.4-beta
 
 - Added new skin with mobile support - the Elastic
 - Support Redis cache
 - Email Resent (Bounce) feature (#4985)
 - Improved Mailvelope integration
   - Added private key listing and generating to identity settings
   - Enable encrypt & sign option if Mailvelope supports it
 - Allow contacts without an email address (#5079)
 - Support SMTPUTF8 and relax email address validation to support unicode in local part (#5120)
 - Support for IMAP folders that cannot contain both folders and messages (#5057)
 - Update to jQuery-3.3.1
 - Update to jQuery-minicolors 2.2.6
 - Update to TinyMCE 4.7.13
 - Remove sample PHP configuration from .htaccess and .user.ini files (#5850)
 - Extend skin_logo setting to allow per skin logos (#6272)
 - Use Masterminds/HTML5 parser for better HTML5 support (#5761)
 - Add More actions button in Contacts toolbar with Copy/Move actions (#6081)
 - Display an error when clicking disabled link to register protocol handler (#6079)
 - Add option trusted_host_patterns (#6009, #5752)
 - Support additional connect parameters in PostgreSQL database wrapper
 - Use UI dialogs instead of confirm() and alert() where possible
 - Display value of the SMTP message size limit in the error message (#6032)
 - Show message flagged status in message view (#5080)
 - Skip redundant INSERT query on successful logon when using PHP7
 - Replace display_version with display_product_version (#5904)
 - Extend disabled_actions config so it accepts also button names (#5903)
 - Handle remote stylesheets the same as remote images, ask the user to allow them (#5994)
 - Add Message-ID to the sendmail log (#5871)
 - Add option to hide folders in share/other-user namespace or outside of the personal namespace root (#5073)
 - Archive: Fix archiving by sender address on cyrus-imap
 - Archive: Style Archive folder also on folder selector and folder manager lists
 - Archive: Add Thunderbird compatible Month option (#5623)
 - Archive: Create archive folder automatically if it's configured, but does not exist (#6076)
 - Enigma: Add button to send mail unencrypted if no key was found (#5913)
 - Enigma: Add options to set PGP cipher/digest algorithms (#5645)
 - Enigma: Multi-host support
 - Managesieve: Add ability to disable filter sets and other actions (#5496, #5898)
 - Managesieve: Add option managesieve_forward to enable settings dialog for simple forwarding (#6021)
 - Managesieve: Support filter action with custom IMAP flags (#6011)
 - Managesieve: Support 'mime' extension tests - RFC5703 (#5832)
 - Managesieve: Support GSSAPI authentication with krb_authentication plugin (#5779)
 - Managesieve: Support enabling the plugin for specified hosts only (#6292)
 - Password: Support host variables in password_db_dsn option (#5955)
 - Password: Automatic virtualmin domain setting, removed password_virtualmin_format option (#5759)
 - Password: Added password_username_format option (#5766)
 - subscriptions_option: show \\Noselect folders greyed out (#5621)
 - zipdownload: Added option to define size limit for multiple messages download (#5696)
 - vcard_attachments: Add possibility to send contact vCard from Contacts toolbar (#6080)
 - Changed defaults for smtp_user (%u), smtp_pass (%p) and smtp_port (587)
 - Composer: Fix certificate validation errors by using packagist only (#5148)
 - Add --get and --extract arguments and CACHEDIR env-variable support to install-jsdeps.sh (#5882)
 - Support _filter and _scope as GET arguments for opening mail UI (#5825)
 - Various improvements for templating engine and skin behaviours
   - Support conditional include
   - Support for 'link' objects
   - Support including files with path relative to templates directory
   - Use <button> instead of <input> for submit button on logon screen
 - Support skin localization (#5853)
 - Reset onerror on images if placeholder does not exist to prevent from requests storm
 - Unified and simplified code for loading content frame for responses and identities
 - Display contact import and advanced search in popup dialogs
 - Display a dialog for mail import with supported format description and upload size hint
 - Make possible to set (some) config options from a skin
 - Added optional checkbox selection for the list widget
 - Make 'compose' command always enabled
 - Add .log suffix to all log file names, add option log_file_ext to control this (#313)
 - Return "401 Unauthorized" status when login fails (#5663)
 - Support both comma and semicolon as recipient separator, drop recipients_separator option (#5092)
 - Plugin API: Added 'show_bytes' hook (#5001)
 - Add option to not indent quoted text on top-posting reply (#5105)
 - Removed global $CONFIG variable
 - Removed debug_level setting
 - Support AUTHENTICATE LOGIN for IMAP connections (#5563)
 - Support LDAP GSSAPI authentication (#5703)
 - Localized timezone selector (#4983)
 - Use 7bit encoding for ISO-2022-* charsets in sent mail (#5640)
 - Handle inline images also inside multipart/mixed messages (#5905)
 - Allow style tags in HTML editor on composed/reply messages (#5751)
 - Use Github API as a fallback to fetch js dependencies to workaround throttling issues (#6248)
 - Show confirm dialog when moving folders using drag and drop (#6119)
 - Fix bug where new_user_dialog email check could have been circumvented by deleting / abandoning session (#5929)
 - Fix skin extending for assets (#5115)
 - Fix handling of forwarded messages inside of a TNEF message (#5632)
 - Fix bug where attachment size wasn't visible when the filename was too long (#6033)
 - Fix checking table columns when there's more schemas/databases in postgres/mysql (#6047)
 - Fix css conflicts in user interface and e-mail content (#5891)
 - Fix duplicated signature when using Back button in Chrome (#5809)
 - Fix touch event issue on messages list in IE/Edge (#5781)
 - Fix so links over images are not removed in plain text signatures converted from HTML (#4473)
 - Fix various issues when downloading files with names containing non-ascii chars, use RFC 2231 (#5772)
 
 ## Release 1.3.8
 
 - Fix PHP warnings on dummy QUOTA responses in Courier-IMAP 4.17.1 (#6374)
 - Fix so fallback from BINARY to BODY FETCH is used also on [PARSE] errors in dovecot 2.3 (#6383)
 - Enigma: Fix deleting keys with authentication subkeys (#6381)
 - Fix invalid regular expressions that throw warnings on PHP 7.3 (#6398)
 - Fix so Classic skin splitter does not escape out of window (#6397)
 - Fix XSS issue in handling invalid style tag content [CVE-2018-19206] (#6410)
 - Fix compatibility with MySQL 8 - error on 'system' table use
 - Managesieve: Fix bug where show_real_foldernames setting wasn't respected (#6422)
 - New_user_identity: Fix %fu/%u vars substitution in user specific LDAP params (#6419)
 - Fix support for "allow-from <uri>" in "x_frame_options" config option (#6449)
 - Fix bug where valid content between HTML comments could have been skipped in some cases (#6464)
 - Fix multiple VCard field search (#6466)
 - Fix session issue on long running requests (#6470)
 
 ## Release 1.3.7
 
 - Fix PHP Warning: Use of undefined constant IDNA_DEFAULT on systems without php-intl (#6244)
 - Fix bug where some parts of quota information could have been ignored (#6280)
 - Fix bug where some escape sequences in html styles could bypass security checks
 - Fix bug where some forbidden characters on Cyrus-IMAP were not prevented from use in folder names
 - Fix bug where only attachments with the same name would be ignored on zip download (#6301)
 - Fix bug where unicode contact names could have been broken/emptied or caused DB errors (#6299)
 - Fix bug where after "mark all folders as read" action message counters were not reset (#6307)
 - Enigma: [EFAIL] Don't decrypt PGP messages with no MDC protection (#6289)
 - Fix bug where some HTML comments could have been malformed by HTML parser (#6333)
 
 ## Release 1.3.6
 
 - Fix parsing date strings (e.g. from a Date: mail header) with comments (#6216)
 - Fix PHP 7.2: count(): Parameter must be an array in enchant-based spellchecker (#6234)
 - Fix possible IMAP command injection and type juggling vulnerabilities (#6229)
 - Enigma: Fix key selection for signing
 - Enigma: Enable keypair generation on Internet Explorer 11
 - Fix check_request() bypass in places using get_uids() [CVE-2018-9846] (#6238)
 - Fix bug where usernames without domain part could be malformed or converted to lower-case on logon (#6224)
 
 ## Release 1.3.5
 
 - Managesieve: Fix bug where text: syntax was forced for strings longer than 1024 characters (#6143)
 - Managesieve: Fix missing Save button in Edit Filter Set page of Classic skin (#6154)
 - Fix duplicated labels in Test SMTP Config section (#6166)
 - Fix PHP Warning: exif_read_data(...): Illegal IFD size (#6169)
 - Enigma: Fix key generation in Safari by upgrade to OpenPGP 2.6.2 (#6149)
 - Fix security issue in remote content blocking on HTML image and style tags (#6178)
 - Added 9pt and 11pt to the list of font sizes in HTML editor
 - Fix handling encoding of HTML tags in "inline" JSON output (#6207)
 - Fix bug where some unix timestamps were not handled correctly by rcube_utils::anytodatetime() (#6212)
 
 ## Release 1.3.4
 
 - Fix bug where contacts search could skip some records (#6130)
 - Fix possible information leak - add more strict sql error check on user creation (#6125)
 - Fix a couple of warnings on PHP 7.2 (#6098)
 - Fix broken long filenames when using imap4d server - workaround server bug (#6048)
 - Fix so temp_dir misconfiguration prints an error to the log (#6045)
 - Fix untagged COPYUID responses handling - again (#5982)
 - Fix PHP warning "idn_to_utf8(): INTL_IDNA_VARIANT_2003 is deprecated" with PHP 7.2 (#6075)
 - Fix bug where Archive folder wasn't auto-created on login with create_default_folders=true
 - Fix performance issue when parsing malformed and long Date header (#6087)
 - Fix syntax error in mssql.initial.sql (#6097)
 - Fix bug where contacts export by selection returned no more than 10 entries (#6103)
 - Fix searching contacts by address in LDAP source (#6084)
 - Fix X-Frame-Options:ALLOW-FROM support, remove custom click-jacking protection (#6057)
 
 ## Release 1.3.3
 
 - Fix decoding of mailto: links with + character in HTML messages (#6020)
 - Fix false reporting of failed upgrade in installto.sh (#6019)
 - Fix file disclosure vulnerability caused by insufficient input validation [CVE-2017-16651] (#6026)
 - Fix mangled non-ASCII characters in links in HTML messages (#6028)
 
 ## Release 1.3.2
 
 - Fix bug where pink image was used instead of a thumbnail when image resize fails (#5933)
 - Fix so files size/count limit is verified (client-side) also on drag-n-drop uploads (#5940)
 - Fix invalid template loading on a message error in preview frame (#5941)
 - Fix bug where HTML messages could have been rendered empty on some systems (#5957)
 - Fix wording of "Mark previewed messages as read" to "Mark messages as read" (#5952)
 - Enigma: Fix decryption of messages encoded with non-ascii charset (#5962)
 - Fix missing cursor in HTML editor on mail reply (#5969)
 - Fix (again) bug where image data URIs in css style were treated as evil/remote in mail preview (#5580)
 - Fix bug where mail search could return empty result on servers without SORT capability (#5973)
 - Fix bug where assets_path wasn't added to some watermark frames
 - Fix so untagged COPYUID responses are also supported according to RFC6851 (#5982)
 - Fix issue caused by non-default session.cookie_lifetime setting (#5961)
 - Fix Edge encoding bug when pasting text into the HTML editor, update to TinyMCE 4.5.8 (#5885)
 - Fix handling of unknown Content-Disposition type (#6002)
 - Fix truncated folder name on messages list in multi-folder mode, for folders with non-ascii characters (#6004)
 - Fix bug where removing the last subfolder did not hide toggle button on its parent record (#6007)
 - Fix bug where ghost messages could be added to the list after fast delete (#5941)
 
 ## Release 1.3.1
 
 - Add Preferences > Mailbox View > Main Options > Layout (#5829)
 - Password: Fix compatibility with PHP 7+ in cpanel_webmail driver (#5820)
 - Managesieve: Fix parsing dot-staffed lines in multiline text (#5838)
 - Managesieve: Fix AM/PM suffix in vacation time selectors
 - Managesieve: Fix bug where 'exists' operator was reset to 'contains' (#5899)
 - Remove non-printable characters from filenames on download/display (#5880)
 - Fix decoding non-ascii attachment names from TNEF attachments (#5646, #5799)
 - Fix uninitialized string offset in rcube_utils::bin2ascii() and make sure rcube_utils::random_bytes() result has always requested length (#5788)
 - Fix bug where HTML messages with @media styles could modify style of page body (#5811)
 - Fix style issue on selected and unfocused message that is part of a thread (#5798)
 - Fix bug where a.button style from managesieve plugin could impact other elements (#5800)
 - Fix position of selected icon for (Mailvelope) Encrypt button
 - Fix fatal error when using DMY- or MDY-based date format in PostgreSQL (#5808)
 - Fix bug where errors were not printed when using bin/update.sh (#5834)
 - Fix PHP 7.2 warnings on count() use (#5845)
 - Fix bug where Chrome could not upload the same file that was selected before (#5854)
 - Fix duplicate messages on the list after deleting messages on the next to the last page (#5862)
 - Fix bug where messages count was not updated after delete when imap_cache is set (#5872)
 - Fix potential XSS vulnerability with malformed HTML message markup
 - Fix sending message with "Too many public recipients" dialog buttons (#5924)
 - Bring back double-click behavior on the message list which was removed in 1.3.0 (#5823)
 - Enigma: Fix decrypting an encrypted+signed message when signature verification fails (#5914)
 
 ## Release 1.3.0
 
 - Update to TinyMCE 4.5.7
 - Fix bug where invalid recipients could be silently discarded (#5739)
 - Fix conflict with _gid cookie of Google Analytics (#5748)
 - Print error from CLI scripts when system/exec function is disabled (#5744)
 - Fix bug where comment notation within style tag would cause the whole style to be ignored (#5747)
 - Fix bug where it wasn't possible to scroll folders list in Edge (#5750)
 - Fix folders list sorting on Windows - if php-intl is available (#5732)
 - Fix addressbook searching by gender (#5757)
 - Fix prevention from using % and * characters in folder name (#5762)
 - Fix POST parameter reflection in default_charset selector (#5768)
 - Enigma: Fix compatibility with assets_dir
 - Managesieve: Skip redundant LISTSCRIPTS command
 - Fix SQL syntax error on MariaDB 10.2 (#5774)
 - Fix bug where zipdownload ignored files with the same name (#5777)
 - Fix bug where it wasn't possible to set timezone to auto-detected value (#5782)
 
 ## Release 1.3-rc
 
 - "Flattened" the larry theme: fresher look by removing shadows and gradients
 - Support logging to php://stdout (#5721)
 - Add support for DelSp=Yes in format=flowed messages (#5702)
 - Update to jQuery 3.2.1
 - Update to TinyMCE 4.5.6
 - Plugin API: Call message_part_structure hook for sub-parts of multipart/alternative message (#5678)
 - Enigma: Always use detached signatures (#5624)
 - Enigma: Fix handling of messages with nested PGP encrypted parts (#5634)
 - Minimize unwanted message loading in preview frame on drag (#5616)
 - Fix failing database schema check in all engines except mysql (#5730)
 - Fix autocomplete popup closing with click outside the input, don't handle Tab key as Enter (#5606)
 - Fix jsdeps.json synchronization on update, warn about missing requirements of install-jsdeps.sh (#5598)
 - Fix missing thread expand icon on search result in widescreen mode (#5613)
 - Fix bug where image data URIs in css style were treated as evil/remote in mail preview (#5580)
 - Fix bug where external content in src attribute of input/video tags was not secured (#5583)
 - Fix PHP error on update of a contact with multiple email addresses when using PHP 7.1 (#5587)
 - Fix bug where mail content frame couldn't be reset in some corner cases (#5608)
 - Fix bug where some classic skin images were not displayed in IE/Edge (#5614)
 - Fix bug where signature couldn't be added above the quote in Firefox 51 (#5628)
 - Fix regression where groups with email address were resolved to its members' addresses
 - Fix update of group name in the contacts list header on group rename (#5648)
 - Add rewrite rule to disable access to /vendor/bin folder in .htaccess (#5630)
 - Fix bug where it was too easy accidentally move a folder when using the subscription checkbox (#5655)
 - Managesieve: Fix parser issue with empty lines between comments (#5657)
 - Managesieve: Fix possible defect in handling \r\n in scripts (#5685)
 - Fix/rephrase "unsaved changes" warning when cancelling a draft (#5610)
 - Fix XSS issue in handling of a style tag inside of an svg element [CVE-2017-6820]
 - Fix bug where settings/upload.inc could not be used by plugins (#5694)
 - Fix regression in LDAP fuzzy search where it always used prefix search instead (#5713)
 - Fix bug where namespace prefix could not be truncated on folders list if show_real_foldernames=true (#5695)
 - Fix undesired effects when postgres database uses different timezone than PHP host (#5708)
 - Installer: Fix DB schema initialization on MS SQL Server
 - Fix bug where base_dn setting was ignored inside group_filters (#5720)
 - Password: Fix security issue in virtualmin and sasl drivers [CVE-2017-8114]
 
 ## Release 1.3-beta
 
 - Nicely handle contact deletion on contact edit (#5522)
 - vcard_attachments: Add possibility to attach contact vCard to composed message (#4997)
 - Preserve message internal/received date on import in mbox format (#5559)
 - Zipdownload: Fix date format in mbox "From line"
 - Possibility to display QR code for contacts data (#5030)
 - Added identicon plugin
 - Widescreen layout aka three column view (#5093)
 - Unify automatic marking as \Seen in preview pane, full-page and extwin views (#5071)
 - Disable double-click on the list when preview pane is on (#5199)
 - Support hostname and hostname:port in force_https option (#5511)
 - Support ALLOW-FROM in x_frame_options (#5122)
 - Allow to omit a subject when sending an email (#5068)
 - Warn about too many disclosed recipients in composed email [max_disclosed_recipients] (#5132)
 - identity_select: Support Received header (#5085)
 - Plugin API: Added get_compose_responses hook (#5457)
 - Display error when trying to upload more files than specified in max_file_uploads (#5483)
 - Add missing sql upgrade file for 'ip' column resize in session table (#5465)
 - Do not show inline images of unsupported mimetype (#5463)
 - Password: Added replacement variables support in password_pop_host (#5539)
 - Password: Don't store passwords in temp files when using dovecotpw (#5531)
 - Password: Added LDAP PPolicy driver (#5364)
 - Password: Added cpanel_webmail driver (#5549)
 - Password: Added possibility to nicely redirect from other plugins on password expiration (#5468)
 - Implement separate action to mark all messages in a folder as \Seen (#5006)
 - Implement marking as \Seen in all folders or in a folder and its subfolders (#5076)
 - Archive: Don't reload messages list when it's not needed (#5225)
 - Archive: Add option to automatically mark archived messages as \Seen (#5142)
 - Improve randomness of password salts and random hashes (#5266)
 - Password/cPanel: Add support for hash authentication and reseller accounts (#5252)
 - Support host-specific imap_conn_options/smtp_conn_options/managesieve_conn_options (#5136)
 - Center and scale images in attachment preview frame (#5421)
 - Added max_message_size option enforced when attaching files to a composed message (#4993)
 - Added Search button in quick search menus (#5312)
 - Implement "one click" attachment/messages/photo upload (#5024)
 - Squirrelmail_usercopy: Add option to define character set of data files
 - Removed useless 'created' column from 'session' table (#5389)
 - Dropped legacy browsers support (#5167)
     - Removed legacy_browser plugin
     - Removed hacks for IE < 10
     - Update to jQuery 3.1.1 and jQuery-UI 1.12.0
     - compile .min.js files with ECMASCRIPT5 option
 - Require PHP >= 5.4
 - Add possibility to preview and download attachments in mail compose (#5053)
 - Add possibility to rename attachments in mail compose (#4996)
 - Remove backward compatibility "layer" of bc.php (#4902)
 - Support WEBP images in mail messages (#5362)
 - Support MathML in HTML message preview (#5182)
 - Rename Addressbook to Contacts (#5233)
 - Remove PHP mail() support, smtp_server is required now (#5340)
 - Display full message subject in onmouseover on truncated subject in mail view (#5346)
 - Enigma: Support GnuPG 2.1 (#5313)
 - Enigma: Support key generation for multiple identities (#5383)
 - Enigma: Import keys from key-server(s) (#5286)
 - Enigma: Search missing public keys on a key-server in mail compose (#5286)
 - Enigma: Delete user keys when using deluser.sh script
 - Enigma: Fix redundant list-secret-keys/list-public-keys calls on signing/encryption
 - Enigma: Implement PGP encryption and signing in one go (#5302)
 - Enigma: Display signature verification status for encrypted+signed messages (#5302)
 - Display different attachment icon on encrypted messages
 - Display different confirmation text when moving messages to Trash (#5220)
 - Indicate that a collapsed thread has flagged children (#5013)
 - Implemented message/rfc822 attachment preview
 - Update to jsTimezoneDetect 1.0.6
 - Managesieve: Add (optional) RAW script editor (#5414)
 - Managesieve: Add option to automatically set vacation :from address (#5428)
 - Managesieve: Support 'string' test from variables extension [RFC 5229] (#5248)
 - Managesieve: Support 'duplicate' extension [RFC 7352]
 - Managesieve: Unhide advanced rule controls if there are inputs with errors
 - Managesieve: Display warning message when filter form contains errors
 - Control search engine crawlers via X-Robots-Tag header instead of <meta> and robots.txt (#5098)
 - Fixed redundancy in sql caching system and compatibility with Galera Cluster (#5439)
     - Removed redundant 'created' column from cache and cache_shared tables
     - Removed use of redundant data records
     - Added missing primary keys (dictionary, cache, cache_shared tables)
 - Fix so templating system does not mess with external (e.g. email) content (#5499)
 - Fix redundant keep-alive/refresh after session error on compose page (#5500)
 - Managesieve: Fix handling of scripts with nested rules (#5540)
 - Fix variable substitution in ldap host for some use-cases, e.g. new_user_identity (#5544)
 - Enigma: Fix PHP fatal error when decrypting a message with invalid signature (#5555)
 - Fix adding images to new identity signatures
 - Fix rsync error handling in installto.sh script (#5562)
 - Fix some advanced search issues with multiple addressbooks (#5572)
 - Fix so group/addressbook selection is retained on page refresh
 
 ## Release 1.2.3
 
 - Searching in both contacts and groups when LDAP addressbook with group_filters option is used
 - Fix vulnerability in handling of mail()'s 5th argument
 - Fix To: header encoding in mail sent with mail() method (#5475)
 - Fix flickering of header topline in min-mode (#5426)
 - Fix bug where folders list would scroll to top when clicking on subscription checkbox (#5447)
 - Fix decoding of GB2312/GBK text when iconv is not installed (#5448)
 - Fix regression where creation of default folders wasn't functioning without prefix (#5460)
 - Enigma: Fix bug where last records on keys list were hidden (#5461)
 - Enigma: Fix key search with keyword containing non-ascii characters (#5459)
 - Fix bug where deleting folders with subfolders could fail in some cases (#5466)
 - Fix bug where IMAP password could be exposed via error message (#5472)
 - Fix bug where it wasn't possible to store more that 2MB objects in memcache/apc,
   Added memcache_max_allowed_packet and apc_max_allowed_packet settings (#5452)
 - Fix "Illegal string offset" warning in rcube::log_bug() on PHP 7.1 (#5508)
 - Fix storing "empty" values in rcube_cache/rcube_cache_shared (#5519)
 - Fix missing content check when image resize fails on attachment thumbnail generation (#5485)
 - Fix displaying attached images with wrong Content-Type specified (#5527)
 
 ## Release 1.2.2
 
 - Enigma: Add possibility to configure gpg-agent binary location (enigma_pgp_agent)
 - Enigma: Fix signature verification with some IMAP servers, e.g. Gmail, DBMail (#5371)
 - Enigma: Make recipient key searches case-insensitive (#5434)
 - Fix regression in resizing JPEG images with Imagick (#5376)
 - Managesieve: Fix parsing of vacation date-time with non-default date_format (#5372)
 - Use SymLinksIfOwnerMatch in .htaccess instead of FollowSymLinks disabled on some hosts for security reasons (#5370)
 - Wash position:fixed style in HTML mail for better security (#5264)
 - Fix bug where memcache_debug didn't work for session operations
 - Fix bug where Message-ID domain part was tied to username instead of current identity (#5385)
 - Fix bug where blocked.gif couldn't be attached to reply/forward with insecure content
 - Fix E_DEPRECATED warning when using Auth_SASL::factory() (#5401)
 - Fix bug where names of downloaded files could be malformed when derived from the message subject (#5404)
 - Fix so "All" messages selection is reset on search reset (#5413)
 - Fix bug where folder creation could fail if personal namespace contained more than one entry (#5403)
 - Fix error causing empty INBOX listing in Firefox when using an URL with user:password specified (#5400)
 - Fix PHP warning when handling shared namespace with empty prefix (#5420)
 - Fix so folders list is scrolled to the selected folder on page load (#5424)
 - Fix so when moving to Trash we make sure the folder exists (#5192)
 - Fix displaying size of attachments with zero size
 - Fix so "Action disabled" error uses more appropriate 404 code (#5440)
 
 ## Release 1.2.1
 
 - Update TinyMCE to version 4.3.13 (#5309)
 - Fix bug where errors could have been not logged when per_user_logging=true
 - Fix bug where message list columns could be in wrong order after column drag-n-drop and list sorting
 - Fix so minified publickey.js (with cache-buster) is used when available (#5254)
 - Fix (replace) application/x-tar file extension test as it might not exist in nginx config (#5253)
 - Fix PHP warning when password_hosts is set, but is not an array (#5260)
 - Fix redundant keep-alive requests when session_lifetime is greater than ~20000 (#5273)
 - Fix so subfolders of INBOX can be set as Archive (#5274)
 - Fix bug where multi-folder search could choose a wrong folder in "this and subfolders" scope (#5282)
 - Fix bug where multi-folder search didn't work for unsubscribed INBOX (#5259)
 - Fix bug where "no body" alert could be displayed when sending mailvelope email
 - Enigma: Fix keys import from inside of an encrypted message (#5285)
 - Enigma: Fix malformed signed messages with force_7bit=true (#5292)
 - Enigma: Add possibility to configure gpg binary location (enigma_pgp_binary)
 - Enigma: Add possibility to export private keys (#5321)
 - Fix searching by email address in contacts with multiple addresses (#5291)
 - Fix handling of --delete argument in moduserprefs.sh script (#5296)
 - Workaround PHP issue by calling closelog() on script shutdown when using log_driver=syslog (#5289)
 - Fix so upgrade script makes sure program/lib directory does not contain old libraries (#5287)
 - Fix subscription checkbox state on error in folder subscribe/unsubscribe action (#5243)
 - Fix bug where microsecond format in logged date didn't work in some cases
 - Fix conflict in new_user_dialog and password_force_new_user settings (#5275)
 - Don't create multipart/alternative messages with empty text/plain part (#5283)
 - Use contact_search_name format in popup on results in compose contacts search
 - Fix handling of 'mailto' and 'error' arguments in message_before_send hook (#5347)
 - Fix missing localization of HTML editor when assets_dir != INSTALL_PATH
 - Fix handling of blockquote tags with mixed case on html2text conversion (#5363)
 - Fix javascript errors in IE on page with iframe that points to another domain
 
 ## Release 1.2.0
 
 - Enigma: Added enigma_debug option
 - Fix message list multi-select/deselect issue (#5219)
 - Fix bug where getting HTML editor content could steal focus from other form controls (#5223)
 - Fix bug where contact search menu fields where always unchecked in Larry skin
 - Fix autoloading of 'html' class
 - Fix bug where Encrypt button appears when switching editor to HTML (#5235)
 - Fix XSS issue in href attribute on area tag (#5240)
 
 ## Release 1.2-rc
 
 - Managesieve: Refactored script parser to be 100x faster
 - Enigma: added option to force users to use signing/encryption
 - Enigma: Added option to attach public keys to sent mail (#5152)
 - Enigma: Handle messages with text before an encrypted block (#5149)
 - Enigma: Handle encrypted/signed content inside message/rfc822 attachments
 - Enigma: Fix missing html/plain switch on multipart/signed messages (#4963)
 - Enigma: Disable format=flowed for signed plain text messages (#4960)
 - Enigma: Fix handling of encrypted + signed messages (#4950)
 - Enigma: Fix invalid boundary use in signed messages structure
 - Enable use of TLSv1.1 and TLSv1.2 for IMAP (#4955)
 - Save copy of original .htaccess file when using installto.sh script (#4947)
 - Fix regression where some message attachments could be missing on edit/forward (#4939)
 - Fix regression in displaying contents of message/rfc822 parts (#4937)
 - Fix handling of message/rfc822 attachments on replies and forwards (#4938)
 - Fix PDF support detection in Firefox > 19 (#4941)
 - Fix path traversal vulnerability in setting a skin [CVE-2015-8770] (#4945)
 - Fix so drag-n-drop of text (e.g. recipient addresses) on compose page actually works (#4944)
 - Fix .htaccess rewrite rules to not block .well-known URIs (#4943)
 - Fix mail view scaling on iOS (#4915)
 - Fix PHP7 warning "session_start(): Session callback expects true/false return value" (#4948)
 - Fix XSS issue in SVG images handling [CVE-2015-8864, CVE-2016-4068] (#4949)
 - Fix missing language name in "Add to Dictionary" request in HTML mode (#4951)
 - Fix (again) security issue in DBMail driver of password plugin [CVE-2015-2181] (#4958)
 - Fix bug where Archive/Junk buttons were not active after page jump with select=all mode (#4961)
 - Fix bug in long recipients list parsing for cases where recipient name contained @-char (#4964)
 - Plugin API: Added addressbook_export hook
 - Fix additional_message_headers plugin compatibility with Mail_Mime >= 1.9 (#4966)
 - Hide DSN option in Preferences when smtp_server is not used (#4967)
 - Fix handling of body parameter in mail compose request
 - Protect download urls against CSRF using unique request tokens [CVE-2016-4069] (#4957)
 - newmail_notifier: Refactor desktop notifications
 - Fix so contactlist_fields option can be set via config file
 - Fix so SPECIAL-USE assignments are forced only until user sets special folders (#4782)
 - Fix performance in reverting order of THREAD result
 - Fix converting mail addresses with @www. into mailto links (#5197)
 
 ## Release 1.2-beta
 
 - Update TinyMCE to version 4.2
 - Added support for Redis session handler
 - Removed some deprecated methods: https://github.com/roundcube/roundcubemail/commit/454b0b1c
 - Remove backward compatibility "layer" of bc.php (#4902)
 - Add possibility to define date format in write operations for ldap attributes (#3956)
 - Display attachment size in compose (#1329)
 - Added possibility to drag-n-drop attachments from mail preview to compose window
 - Implemented mail messages searching with predefined date interval
 - PGP encryption support via Mailvelope integration
 - PGP encryption support via Enigma plugin
 - PHP7 compatibility fixes (#4836)
 - Security: Added brute-force attack prevention via login rate limit (#4922)
 - Security: Added options to validate username/password on logon (#4884)
 - Security: Improve randomness of security tokens (#4899)
 - Security: Use random security tokens instead of hashes based on encryption key (#4829)
 - Security: Improved encrypt/decrypt methods with option to choose the cipher_method (#4492)
 - Make optional adding of standard signature separator - sig_separator (#3276)
 - Optimize folder_size() on Cyrus IMAP by using special folder annotation (#4894)
 - Make optional hiding of folders with name starting with a dot - imap_skip_hidden_folders (#4870)
 - Add option to enable HTML editor always, except when replying to plain text messages (#4352)
 - Emoticons: Added option to switch on/off emoticons in compose editor (#2076)
 - Emoticons: Added option to switch on/off emoticons in plain text messages
 - Emoticons: All emoticons-related functionality is handled by the plugin now
 - Installer: Add button to save generated config file in system temp directory (#3553)
 - Remove common subject prefixes Re:, Re[x]:, Re-x: on reply (#4882)
 - Added GSSAPI/Kerberos authentication plugin - krb_authentication
 - Password: Allow temporarily disabling the plugin functionality with a notice
 - Require Mbstring and OpenSSL extensions (#5166)
 - Add --config and --type options to moduserprefs.sh script (#4651)
 - Implemented memcache_debug and apc_debug options
 - Installer: Remove system() function use (#4695)
 - Password plugin: Added 'kpasswd' driver by Peter Allgeyer
 - Add initdb.sh to create database from initial.sql script with prefix support (#4722)
 - Plugin API: Added disabled_plugins an disabled_buttons options in html_editor hook
 - Plugin API: Added html2text hook
 - Plugin API: Added message_part_body hook
 - Plugin API: Added message_ready hook
 - Plugin API: Add special onload() method to execute plugin actions before startup (session and GUI initialization)
 - Implemented UI element to jump to specified page of the messages list (#1677)
 - Fix searching of contacts to allow remote images for known senders (#4886)
 - Fix bug where clicking date column with 'arrival' sorting would switch to sorting by 'date' (#4690)
 - Fix bug where message content could overlap attachments list in Larry skin (#4876)
 - Fix so microseconds macro (u) in log_date_format works (#4855)
 - Fix so unrecognized TNEF attachments are displayed on the list of attachments (#5138)
 - Fix so database_attachments::cleanup() does not remove attachments from other sessions (#4907)
 - Fix responses list update issue after response name change (#4917)
 - Fix bug where message preview was unintentionally reset on check-recent action (#4921)
 - Fix bug where HTML messages with invalid/excessive css styles couldn't be displayed (#4905)
 - Fix redundant blank lines when using HTML and top posting (#4927)
 - Fix redundant blank lines on start of text after html to text conversion (#4928)
 - Fix HTML sanitizer to skip `<!-- node type X -->` in output (#4932)
 - Fix invalid LDAP query in ACL user autocompletion (#4934)
 
 ## Release 1.1.3
 
 - Fix closing of nested menus (#4854)
 - Fix so E_DEPRECATED errors from PEAR libs are ignored by error_reporting change (#4770)
 - Fix compatibility with PHP 5.3 in rcube_ldap class (#4842)
 - Get rid of Mail_mimeDecode package dependency (#4836)
 - Fix "Importing..." message does not hide on error (#4840)
 - Fix Compose action in addressbook for results from multiple addressbooks (#4834)
 - Fix bug where some messages in multi-folder search couldn't be viewed/printed/downloaded (#4843)
 - Fix unintentional messages list page change on page switch in compose addressbook (#4844)
 - Fix race-condition in saving user preferences and loading plugin config (#4845)
 - Fix so plain text signature field uses monospace font (#4848)
 - Fix so links with href == content aren't added to links list on html to text conversion (#4847)
 - Fix handling of non-break spaces in html to text conversion (#4849)
 - Fix self-reply detection issues (#4852)
 - Fix multi-folder search result sorting by arrival date (#4858)
 - Fix so *-request@ addresses in Sender: header are also ignored on reply-all (#4860)
 - Update to TinyMCE 4.1.10 (#5164)
 - Fix draft removal after a message is sent and storing sent message is disabled (#4869)
 - Fix so imap folder attribute comparisons are case-insensitive (#4868)
 - Fix bug where new messages weren't added to the list in search mode
 - Fix wrong positioning of message list header on page scroll in Webkit browsers (#4646)
 - Fix some javascript errors in rare situations (#4853)
 - Fix error when using back button after sending an email (#4628)
 - Fix removing signature when switching to identity with an empty sig in HTML mode (#4872)
 - Disable links list generation on html-to-text conversion of identities or composed message (#4850)
 - Fix "washing" of style elements wrapped into many lines
 - Fix so input field (e.g. search box) does not loose focus on list load (#4862)
 - Fix so css of one html part does not apply to other text parts on message display (#4887)
 - Fix XSS issue in drag-n-drop file uploads [CVE-2015-8105] (#4900)
 - Fix handling of plus character in mailto: links (#4891)
 - Fix so adding CC/BCC recipients from the sidebar unhides compose form fields in Classic skin (#4874)
 - Fix so gc.sh script removes also expired sessions from sql database (#4893)
 - Fix support for Mozilla-based browsers, e.g. Pale Moon (#4895)
 - Fix various issues with Turkish (and similar) locales (#4896)
 - Fix so In-Reply-To header is set also for MDN receipts (#4897)
 - Fix missing HTTP_X_FORWARDED_FOR address in generated Received header
 - Fix issue where Content-Length of some attachments could be set to wrong value causing browser errors (#4877)
 
 ## Release 1.1.2
 
 - Add new plugin hook 'identity_create_after' providing the ID of the inserted identity (#4807)
 - Add option to place signature at bottom of the quoted text even in top-posting mode [sig_below]
 - Fix handling of %-encoded entities in mailto: URLs (#4799)
 - Fix zipped messages downloads after selecting all messages in a folder (#4797)
 - Fix vpopmaild driver of password plugin
 - Fix PHP warning: Non-static method PEAR::setErrorHandling() should not be called statically (#4798)
 - Fix tables listing routine on mysql and postgres so it skips system or other database tables and views (#4796)
 - Fix message list header in classic skin on window resize in Internet Explorer (#4732)
 - Fix so text/calendar parts are listed as attachments even if not marked as such (#4795)
 - Fix lack of signature separator for plain text signatures in html mode (#4802)
 - Fix font artifact in Google Chrome on Windows (#4803)
 - Fix bug where forced extwin page reload could exit from the extwin mode (#4801)
 - Fix bug where some unrelated attachments in multipart/related message were not listed (#4805)
 - Fix mouseup event handling when dragging a list record (#4808)
 - Fix bug where preview_pane setting wasn't always saved into user preferences (#4809)
 - Fix bug where messages count was not updated after message move/delete with skip_deleted=false (#4814)
 - Fix security issue in contact photo handling (#4817)
 - Fix possible memcache/apc cache data consistency issues (#4820)
 - Fix bug where imap_conn_options were ignored in IMAP connection test (#4822)
 - Fix bug where some files could have "executable" extension when stored in temp folder (#4815)
 - Fix attached file path unsetting in database_attachments plugin (#4823)
 - Fix issues when using moduserprefs.sh without --user argument (#4825)
 - Fix potential info disclosure issue by protecting directory access (#4816)
 - Fix blank image in html_signature when saving identity changes (#4833)
 - Installer: Use openssl_random_pseudo_bytes() (if available) to generate des_key (#4827)
 - Fix XSS vulnerability in _mbox argument handling (#4837)
 
 ## Release 1.1.1
 
 - ACL: Allow other plugins to adjust the list of permissions and groups to edit
 - Add possibility to print contact information (of a single contact)
 - Add possibility to configure max_allowed_packet value for all database engines (#4772)
 - Improved handling of storage errors after message is sent
 - Update to TinyMCE 4.1.9
 - Unified request* event arguments handling, added support for _unlock and _action parameters
 - Security: Generate random hash for the per-user local storage prefix (#4768)
 - Fix refreshing of drafts list when sending a message which was saved in meantime (#4745)
 - Fix saving/sending emoticon images when assets_dir is set
 - Fix PHP fatal error when visiting Vacation interface and there's no sieve script yet (#4778)
 - Fix setting max packet size for DB caches and check packet size also in shared cache
 - Fix needless security warning on BMP attachments display (#4771)
 - Fix handling of some improper constructs in format=flowed text as per the RFC3676[4.5] (#4773)
 - Fix performance of rcube_db_mysql::get_variable()
 - Fix missing or not up-to-date CATEGORIES entry in vCard export (#4766)
 - Fix fatal errors on systems without mbstring extension or mb_regex_encoding() function (#4769)
 - Fix cursor position on reply below the quote in HTML mode (#4759)
 - Fix so "over quota" errors are displayed also in message compose page
 - Fix duplicate entries suppression in autocomplete result (#4776)
 - Fix "Non-static method PEAR::isError() should not be called statically" errors (#4770)
 - Fix parsing invalid HTML messages with BOM after `<!DOCTYPE>` (#4777)
 - Fix duplicate entry on timezones list in rcube_config::timezone_name_from_abbr() (#4779)
 - Fix so localized folder name is displayed in multi-folder search result (#4750)
 - Fix javascript error after creating a folder which is a subfolder of another one (#4781)
 - Fix bug where subject of sent/saved message was removed if mbstring wasn't installed (#4780)
 - Fix missing vcard_attachment icon on messages list (#4783)
 - Fix storing signatures with big images in MySQL database (#4785)
 - Fix Opera browser detection in javascript (#4786)
 - Fix so search filter, scope and fields are reset on folder change
 - Fix rows count when messages search fails (#4760)
 - Fix bug where spellchecking in HTML editor do not work after switching editor type more than once (#4789)
 - Fix bug where TinyMCE area height was too small on slow network connection (#4788)
 - Fix backtick character handling in sql queries (#4790)
 - Fix redirect URL for attachments loaded in an iframe when behind a proxy (#4724)
 - Fix menu container references to point to the actual `<ul>` element (#4791)
 - Fix javascripts errors in IE8 - lack of Event.which, focusing a hidden element (#4793)
 
 ## Release 1.1.0
 
 - Make SMTP error log more verbose - include server response and error code
 - Fix download options menu (added by zipdownload plugin) in classic skin (#4740)
 - Fix blocked.gif image usage with assets_dir set
 - Fix bug where max_group_members was ignored when adding a new contact (#4733)
 - Hide MDN and DSN options in compose if disabled by admin (#4735)
 - Fix checks based on window.ActiveXObject in IE > 10
 - Fix XSS issue in style attribute handling [CVE-2015-1433] (#4739)
 - Fix bug where Drafts list wasn't updated on draft-save action in new window (#4737)
 - Fix so "set as default" option is hidden if identities_level > 1 (#4738)
 - Fix bug where search was reset after returning from compose visited for reply
 - Fix javascript error in "IE 8.0/Tablet PC" browser (#4730)
 - Fix bug where Reply-To address was ignored on reply to messages sent by self (#4742)
 - Fix bug where empty fieldmap config entries caused empty results of ldap search (#4741)
 - Fix bug where drafts list wasn't refreshed after draft message was sent from another window (#4745)
 - Fix keyboard navigation and css in datepicker widget across many Firefox versions
 - Fix false warning when opening attached text/plain files (#4748)
 - Fix bug where signature could have been inserted twice after plain-to-html switch (#4746)
 - Fix security issue in DBMail driver of password plugin (#4757)
 - Enable FollowSymLinks option in .htaccess file which is required by rewrite rules (#4754)
 - Fix so JSON.parse() errors on localStorage items are ignored (#4752)
 
 ## Release 1.1-rc
 
 - Update jQuery to version 2.1.3
 - Allow to override any config option through env variables
 - Improve system security by using optional special URL with security token - use_secure_urls
 - Allow to define separate server/path for image/js/css files - assets_url/assets_dir
 - Sync vendor folder if exists in source package (#4700)
 - Avoid useless reloading list when resetting search with active filter (#4654)
 - Fix invalid folder selection if clicked while busy (#4709)
 - Fix import of multiple contact email addresses from Outlook-csv format (#4714)
 - Fix drag-n-drop to folders expanded while dragging (#4708)
 - Fix import of multiple contact groups from Google-csv format (#4710)
 - Fix import of contacts with multiple email addresses from Google-csv format (#4719)
 - Fix bugs where CSRF attacks were still possible on some requests [CVE-2014-9587]
 - Fix some rcube_utils::anytodatetime() corner cases with timezone mismatches (#4712)
 - Improve move-to and contact-export button in classic skin (#4713)
 - Fix wrong icon for download button in classic skin
 - Fix bug where sent message was saved in Sent folder even if disabled by user (#4729)
 
 ## Release 1.1-beta
 
 - Fix skin path handling in plugin context (#4111)
 - Prevent memory exhaustion on image resizing with GD on Windows (#4580)
 - Add plugin hook for database table name lookups as requested in #4538
 - Added Oracle database support
 - Support contacts import in GMail CSV format
 - Added namespace filter in Folder Manager
 - Added folder searching in Folder Manager
 - Fix restoring draft messages from localStorage if editor mode differs (#4631)
 - Added config option/user preference to disable saving messages in localStorage (#4606)
 - Added config option 'imap_log_session' to enable Roundcube <-> IMAP session ID logging
 - Added config option 'log_session_id' to control the length of the session identifier in logs
 - Implemented 'storage_connected' API hook after successful IMAP login (#4638)
 - Integrate Net_LDAP3 and rcube_ldap_generic classes
 - Add option (disabled_actions) to disable UI elements/actions (#4478)
 - Support password encryption using openssl extension (#4614)
 - Create/rename groups in UI dialogs (#4592)
 - Added 'contact_search_name' option to define autocompletion entry format
 - Display quota information for current folder not INBOX only (#3442)
 - Support images in HTML signatures (#3917)
 - Display full quota information in popup (#2103, #2746)
 - Mail compose: Selecting contact inserts recipient to previously focused input - to/cc/bcc accordingly (#4487)
 - Close "no subject" prompt with Enter key (#4463)
 - Password: Add option to force new users to change their password (#2963)
 - Improve support for screen readers and assistive technology using WCAG 2.0 and WAI ARIA standards
 - Enable basic keyboard navigation throughout the UI (#3333)
 - Select/scroll to previously selected message when returning from message page (#4146)
 - Display a warning if popup window was blocked (#4472)
 - Remove (was: ...) from message subject on reply (#4359)
 - Update to TinyMCE 4.1 (#4168)
 - Enable autolink plugin in TinyMCE (#4029)
 - Support image operations with Imagick extension (#4498)
 - Support upload progress with session.upload_progress and PECL uploadprogress module (#3934)
 - Make identity name field optional (#4435)
 - Utility script to remove user records from the local database
 - Plugin API: Added message_saved hook (#4503)
 - Plugin API: Added imap_search_before hook
 - Support messages import from zip archives
 - Zipdownload: Added mbox format support (#2354)
 - Drop support for IE6, move IE7/IE8 support to legacy_browser plugin
 - Update to jQuery-2.1.1
 - Search across multiple folders (#1676)
 - Improve UI integration of ACL settings
 - Drop support for PHP < 5.3.7
 - Set In-Reply-To and References for forwarded messages (#4465)
 - Removed redundant default_folders config option (#4500)
 - Implemented IMAP SPECIAL-USE extension support [RFC6154] (#3326)
 - Optimize some framed pages content for better performance (#4517)
 - Improve text messages display and conversion to HTML (#4091)
 - Don't remove links when html signature is converted to text (#4473)
 - Fix page title when using search filter (#4636)
 - Fix mbox files import
 - Fix some character sets detection (#4694)
 - Fix so attachment charset is set in headers of forward/draft message (#4676)
 - Fix bug where wrong charset could be used for text attachment preview page (#4674)
 
 ## Release 1.0.5
 
 - Fix wrong icon for download button in classic skin
 - Fix checks based on window.ActiveXObject in IE > 10
 - Fix XSS issue in style attribute handling (#4739)
 - Fix bug where Drafts list wasn't updated on draft-save action in new window (#4737)
 - Fix so "set as default" option is hidden if identities_level > 1 (#4738)
 - Fix javascript error in "IE 8.0/Tablet PC" browser (#4730)
 - Fix bug where empty fieldmap config entries caused empty results of ldap search (#4741)
 - Fix bug where sent message was saved in Sent folder even if disabled by user (#4729)
 
 ## Release 1.0.4
 
 - Disable TinyMCE contextmenu plugin as there are more cons than pros in using it (#4684)
 - Fix bug where show_real_foldernames setting wasn't honored on compose page (#4705)
 - Fix issue where Archive folder wasn't protected in Folder Manager (#4706)
 - Fix compatibility with PHP 5.2. in rcube_imap_generic (#4682)
 - Fix setting flags on servers with no PERMANENTFLAGS response (#4667)
 - Fix regression in SHA password generation in ldap driver of password plugin (#4670)
 - Fix displaying of HTML messages with absolutely positioned elements in Larry skin (#4672)
 - Fix font style display issue in HTML messages with styled <span> elements (#4671)
 - Fix download of attachments that are part of TNEF message (#4668)
 - Fix handling of uuencoded messages if messages_cache is enabled (#4675)
 - Fix handling of base64-encoded attachments with extra spaces (#4678)
 - Fix handling of UNKNOWN-CTE response, try do decode content client-side (#4650)
 - Fix bug where creating subfolders in shared folders wasn't possible without ACL extension (#4680)
 - Fix reply scrolling issue with text mode and start message below the quote (#4681)
 - Fix possible issues in skin/skin_path config handling (#4689)
 - Fix lack of delimiter for recipient addresses in smtp_log (#4703)
 - Fix generation of Blowfish-based password hashes (#4721)
 - Fix bugs where CSRF attacks were still possible on some requests [CVE-2014-9587]
 
 ## Release 1.0.3
 
 - Initialize HTML editor before restoring a message from localStorage (#4631)
 - Add 'sig_max_lines' config option to default config file (#5162)
 - Add config option to specify IMAP connection socket parameters - imap_conn_options (#4589)
 - Add option to set default message list mode - default_list_mode (#3157)
 - Enable contextmenu plugin for TinyMCE editor (#3062)
 - Fix insert-signature command in external compose window if opened from inline compose screen (#4663)
 - Fix some mime-type to extension mapping checks in Installer (#4610)
 - Fix errors when using localStorage in Safari's private browsing mode (#4619)
 - Fix bug where $Forwarded flag was being set even if server didn't support it (#4621)
 - Fix various iCloud vCard issues, added fallback for external photos (#4617)
 - Fix invalid Content-Type header when send_format_flowed=false (#4616)
 - Fix errors when adding/updating contacts in active search (#4630)
 - Fix incorrect thumbnail rotation with GD and exif orientation data (#4641)
 - Fix contacts list update after adding/deleting/moving a contact (#4640, #4644)
 - Fix handling of email addresses with quoted domain part (#4647)
 - Fix comm_path update on task switch (#4648)
 - Fix error in MSSQL update script 2013061000.sql (#4658)
 - Fix validation of email addresses with IDNA domains (#4661)
 
 ## Release 1.0.2
 
 - Fix storing unsaved drafts in localStorage (#4529)
 - Add configurable LDAP_OPT_DEREF option (#4546)
 - Fix so when switching editor mode original version of signature is used (#4032)
 - Fix unintentional draft autosave request if autosave is disabled (#4550)
 - Fix malformed References: header in send/saved mail (#4552)
 - Fix handling unicode characters in links (#4555)
 - Fix incorrect handling of HTML comments in messages sanitization code (#4558)
 - Fix so current page is reset on list-mode change (#4561)
 - Fix so responses menu hides on click in classic skin (#4566)
 - Fix unintentional line-height style modification in HTML messages (#4567)
 - Fix broken normalize_string(), add support for ISO-8859-2 (#4568)
 - Support csv contacts import in German localization (#4570)
 - Fix so message list and counters are updated when a message is opened in new window (#4569)
 - Fix malformed recipient name when composing a message by clicking on mailto link (#4583)
 - Fix list reload after sending message in another window (#4576)
 - Fix so address format errors are ignored when saving a draft (#4594)
 - Fix incorrect label translation in return receipt (#4598)
 - Fix security issue in delete-response action - allow only ajax request
 - Fix Delete button state after deleting identity/response (#4603)
 - Fix bug where contacts with no email address were listed on compose addressbook (#4602)
 - Fix images import from various vCard formats (#4604)
 - Fix sorting messages by size on servers without SORT capability (#4608)
 
 ## Release 1.0.1
 
 - Support 'error' and 'body_file' return attribs in 'message_before_send' hook (#4467)
 - Apply user-specific replacements to group's base_dn property (#4512)
 - Fix missing email address when importing contacts from outlook csv (#4535)
 - Fix bug where "With attachment" option in search filter wasn't selected after return from mail view (#4508)
 - Fix "washing" of unicode style attributes (#4510)
 - Fix unintentional redirect from compose page in Webkit browsers (#4516)
 - Fix messages index cache update under some conditions (e.g. proxy) (#4505)
 - Fix lack of translation of special folders in some configurations (#4520)
 - Fix XSS issue in plain text spellchecker (#4524)
 - Fix invalid page title for some folders (1489804)
 - Fix redundant alert message on over-size uploads (#4528)
 - Fix next message display after removing a message (#4521)
 - Fix missing Mail-Followup-To header in sent mail (#4534)
 - Fix error when spell-checking an empty text (#4536)
 - Avoid popupmenus being closed when scrollbar is clicked (#4537)
 - Add proxy_whitelist configuration option (#4496)
 - Fix identities_level=4 handling in new_user_dialog plugin (#4540)
 - Fix various db_prefix issues (#4539)
 - Fix too small length of users.preferences column data type on MySQL
 - Fix redundant warning when switching from html to text in empty editor (#4530)
 - Fix invalid host validation on login (#4541)
 - Fix IMAP connection test in installer so it is aware of imap_auth_type (#4502)
 
 ## Release 1.0.0
 
 - Added toolbar button to move message in message view
 - Fix style of disabled protocol handler link on IE (#4460)
 - Fix message import dialog when no file is selected (#4488)
 - Fix opening compose screen in new window after saving as draft (#4479)
 - Fix directories check in Installer on Windows (#4462)
 - Fix issue when default_addressbook option is set to integer value (#4379)
 - Fix Opera > 15 detection (#4455)
 - Fix security issue in DomainFactory driver of Password plugin
 - Fix invalid X-Draft-Info on forwarded message draft (#4464)
 - Fix regression in handling of 'attachments' result in message_compose hook (#4474)
 - Fix issue where msgexport.sh printed the message to STDOUT instead of a file (#4476)
 - Fix fatal error in database_attachments plugin under some conditions (#4495)
 
 ## Release 1.0-rc
 
 - Small CSS fix with message notice boxes in Larry skin (#4429)
 - Include groups in contacts search on mail compose (#4186)
 - Add mime-type mapping for .7z files (#4436)
 - Invoke update scripts with php to circumvent execution restrictions (#4330)
 - Fix drag & drop message/contact moving on touch device (#4395)
 - Fix canned responses in HTML mode (#4446)
 - Check/create default folders on every login not only the first (#4391)
 - Update to jQuery-1.11.0 and jQuery-UI-1.9.2
 - Support SMTP socket context options via new config option 'smtp_conn_options'
 - Fix compatibility with PHP 5.2 in html.php file (#4438)
 - Remove expand/collapse with plus/minus keys (on numeric keypad) (#4437)
 - Fix issue where filesystem path was added to all-attachments (zip) file (#4433)
 - Fix case-sensitivity of email addresses handling on compose (#1899)
 - Don't alter Message-ID of a draft when sending (#4381)
 - Fix issue where deprecated syntax for HTML lists was not handled properly (#3975)
 - Display different icons when Trash folder is empty or full (#2108)
 - Remember last position of more headers switch (#3660)
 - Fix so message flags modified by another client are applied on the list on refresh (#1639)
 - Fix broken text/* attachments when forwarding/editing a message (#4393)
 - Improved minified files handling, added css minification (#3041)
 - Fix handling of X-Forwarded-For header with multiple addresses (#4424)
 - Fix border issue on folders list in classic skin (#4419)
 - Implemented menu actions to copy/move messages, added folder-selector widget (#863)
 - Fix security rules in .htaccess preventing access to base URL without the ending slash (#4422)
 - Fix regression where only first new folder was placed in correct place on the list (#4418)
 - Fix issue where children of selected and collapsed thread were skipped on various actions (#4410)
 - Fix issue where groups were not deleted when "Replace entire addressbook" option on contacts import was used (#4388)
 - Fix unreliable mimetype tests in Installer (#4408)
 - Fix performance of listing writeable folders (#4406)
 
 ## Release 1.0-beta
 
 - Fix handling of invalid closing tags in HTML messages (#4403)
 - Set real content-type for file downloads (#4400)
 - Update TinyMCE to version 3.5.10 (#4401)
 - Fix keyboard navigation in list widgets (#4367)
 - Allow plugins to grab the reference of opened windows (#4383)
 - Larry skin: Improved status message display for better visibility (#4115)
 - Fix Internet Explorer 11 detection (#4397)
 - Fix date column width to fit the widest possible date format (#4354)
 - Move certain user preference options to a collapsed "advanced" block (#4015)
 - Add file type icons for PowerPoint and Open Office presentations (#4269)
 - Fix operations on folders with trailing spaces in name (#4387)
 - Improve identity selection based on From: header (#4360)
 - Fix issue where mails with inline images of the same name contained only the first image multiple times (#4378)
 - Use left/right arrow keys to collapse/expand thread and spacebar to select a row, change Ctrl key behavior (#4367)
 - Fix an issue where using arrow keys to go up a list can result in selected message being under headers (#4375)
 - Fix an issue where Home/End keys don't focus list row properly, don't scrollTo properly (#4370)
 - Add an option to disable smart Reply-List behaviour - reply_all_mode (#3953)
 - Fix an issue where pressing minus key on contacts list was hiding list records (#4368)
 - Fix an issue where shift + arrow-up key wasn't selecting all messages in collapsed thread (#4371)
 - Added icon for priority column in messages list header (#4275)
 - New feature "Canned Responses" to save and recall boilerplate text snippets
 - Fix HTML part detection when encapsulated inside multipart/signed (#4357)
 - Add spellchecker backend for the After the Deadline service
 - Replace markdown-style [1] link indexes in plain text email bodies
 - Improved mailto: link arguments handling (#4351)
 - Use DOMDocument LIBXML_PARSEHUGE and LIBXML_COMPACT options if possible (#4316)
 - Support HTTP_HOST, SERVER_NAME and SERVER_ADDR values in include_host_config feature
 - Make default font size for HTML messages configurable (request #118)
 - Fix XSS issue in addressbook group name field [CVE-2013-5646] (#4337)
 - After message is sent refresh messages list of replied message folder (#4282)
 - Add option force specified domain in user login - username_domain_forced (#4290)
 - Add option to import Vcards with group assignments
 - Save groups membership in Vcard export (#3801)
 - Workaround broken PHP function timezone_name_from_abbr (#4289)
 - Make cached message size limit configurable - messages_cache_threshold (#4326)
 - Log also failed logins to userlogins log
 - Add temp_dir_ttl configuration option (#4318)
 - Allow setting INBOX as Sent folder (#4264)
 - Fix replacement variables in user-specific base_dn in some LDAP requests (#4299)
 - Fix image scaling issues when image has only one dimension smaller than the limit (#4296)
 - Fix issue where uploaded photo was lost when contact form did not validate (#4296)
 - Move identity selection based on non-standard headers into (new) identity_select plugin (#3835)
 - Fix downloading binary files with (wrong) text/* content-type (#4292)
 - Respect HTTP_X_FORWARDED_FOR and HTTP_X_REAL_IP variables for session IP check
 - Simplified configuration by merging it into one file + defaults (#3156)
 - Make message list header stay on top when scrolling (#353)
 - Add support for 'enchant' spellcheck engine
 - Check filetype detection in installer and update script (#4252)
 - Fix folder names truncation in Classic skin (#4265)
 - Make possible to disable some (broken) IMAP extensions with imap_disable_caps option (#4245)
 - Contacts drag-n-drop default action is to move contacts (#3962)
 - Added possibility to choose to move or copy contacts from drag-n-drop menu (#3962)
 - Fix Close link and remove About link on error pages (#4201)
 - Improved/unified attachment preview screen, added print button
 - Fix lack of space between searchfilter and quicksearchbar in Larry skin (#4233)
 - Cache LDAP's user_specific search and use vlv for better performance (#4247)
 - LDAP: auto-detect and use VLV indices for all search operations
 - LDAP: additional group configuration options for  address books
 - LDAP: separated address book implementation from a generic LDAP wrapper class
 - Allow address books to browse a multi-level group hierarchy in the contacts list
 - Fix session issues when local and database time differs (#2401)
 - Fix thread cache synchronization/validation (#4150)
 - Added feature to import messages to the currently selected folder
 - Add option show_real_foldernames to disable localization of special folders
 - Fix database cache expunge issues (#4229)
 - Fix date format issues on MS SQL Server (#4078)
 - Add imap_cache_ttl option to configure TTL of imap_cache
 - Make LDAP cache engine configurable via ldap_cache and ldap_cache_ttl options
 - Fix "duplicate entry" errors on inserts to imap cache tables (#4228)
 - Improved handling of Reply-To/Bcc addresses of identity in compose form (#4142)
 - Added user preference to open all popups as standard windows
 - Implemented shared cache (rcube_cache_shared)
 - Change Reply-All button label/title when mailing list is detected (#4092)
 - Fix SMTP connection using IPv6 address in smtp_server option (#4147)
 - Added attachment_reminder plugin
 - Make PHP code eval() free, use create_function()
 - Add option to display email address together with a name in mail preview (#3952)
 - Support CSV import from Atmail (#4161)
 - Add db_prefix configuration option in place of db_table_*/db_sequence_* options
 - Make possible to use db_prefix for schema initialization in Installer (#4175)
 - Fix updatedb.sh script so it recognizes also table prefix for external DDL files
 - Fix parsing invalid date string (#4155)
 - Add "with attachment" option to messages list filter (#1795)
 - Call resize handler in intervals to prevent lags and double onresize calls in Chrome (#4137)
 - Add rel="noreferrer" for links in displayed messages (#4976)
 - Add ability to toggle between HTML and text while viewing a message (#3005)
 - Remove "HTML message" from attachments list while viewing a message in text mode (#3005)
 - Support IMAP MOVE extension [RFC 6851]
 - Add attachment menu with Open and Download options (#4116)
 - Display user-friendly message on IMAP "over quota" errors (#914)
 - Extended archive plugin with user-configurable options to store messages into subfolders
 - Fix export of selected contacts from search result (#4070)
 - Feature to export only selected contacts from addressbook (by Phil Weir)
 
 ## Release 0.9.5
 
 - Fix failing vCard import when email address field contains spaces (#4363)
 - Fix default spell-check configuration after Google suspended their spell service
 - Fix vulnerability in handling _session argument of utils/save-prefs [CVE-2013-6172] (#4362)
 - Fix iframe onload for upload errors handling (#4361)
 - Fix address matching in Return-Path header on identity selection (#4358)
 - Fix text wrapping issue with long unwrappable lines (#4356)
 - Fixed issues where HTML comments inside style tag would hang Internet Explorer
 - Hide Delivery Status Notification option when smtp_server is unset (#4339)
 - Display full attachment name using title attribute when name is too long to display (#4328)
 - Fix attachment icon issue when rare font/language is used (#4334)
 - Fix expanded thread root message styling after refreshing messages list (#4335)
 - Fix issue where From address was removed from Cc and Bcc fields when editing a draft (#4327)
 - Fix error_reporting directive check (#4331)
 - Fix de_DE localization of "About" label in Help plugin (#4333)
 
 ## Release 0.9.4
 
 - Make identities matching case insensitive (#1881)
 - Fix issue where too big message data was stored in cache causing sql errors (#4325)
 - Fix iframe scrollbars on webkit desktop browsers (#4319)
 - Fix issue where legacy config was overridden by default config (#4305)
 - Fix newmail_notifier issue where favicon wasn't changed back to default (#4324)
 - Fix setting of Junk and NonJunk flags by markasjunk plugin (#4303)
 - Fix lack of Reply-To address in header of forwarded message body (#4314)
 - Fix bugs when invoking contact creation form when read-only addressbook is selected (#4313)
 - Fix identity selection on reply (#4308)
 - Fix so additional headers are added to all messages sent (#4302)
 - Fix display issue after moving folder in Folder Manager (#4310)
 - Fix handling of non-default date formats (#4311)
 - Fix unquoted path in PREG expression on Windows (#4307)
 - Fix wrong close tag in /template/mail.html (#4312)
 
 ## Release 0.9.3
 
 - Fix setting refresh_interval to "Never" in Preferences (#4304)
 - Fixed iframe scrolling on touch devices
 - Optimized message list for touch devices
 - Fix purge action in folder manager (#4300)
 - Fix base URL resolving on attribute values with no quotes (#4297)
 - Fix wrong handling of links with '|' character (#4298)
 - Fix colorspace issue on image conversion using ImageMagick (#4294)
 - Fix XSS vulnerability when editing a message "as new" or draft [CVE-2013-5645] (#4283)
 - Fix XSS vulnerability when saving HTML signatures [CVE-2013-5645] (#4283)
 - Fix rewrite rule in .htaccess (#4278)
 - Fix detecting Turkish language in ISO-8859-9 encoding (#4284)
 - Fix identity-selection using Return-Path headers (#4279)
 - Fix parsing of links with ... in URL (#4251)
 - Fix compose priority selector when opening in new window (#4286)
 - Fix bug where signature wasn't changed on identity selection when editing a draft (#4272)
 - Fix IMAP SETMETADATA parameters quoting (#4274)
 - Fix "could not load message" error on valid empty message body (#4271)
 - Fix handling of message/rfc822 attachments on message forward and edit (#4262)
 - Fix parsing of square bracket characters in IMAP response strings (#4267)
 - Don't clear References and in-Reply-To when a message is "edited as new" (#4263)
 - Fix messages list sorting with THREAD=REFS
 - Remove deprecated (in PHP 5.5) PREG /e modifier usage (#4239)
 - Fix empty messages list when register_globals is enabled (#4232)
 - Fix so valid and set date.timezone is not required by installer checks (#4242)
 - Canonize boolean ini_get() results (#4249)
 - Fix so install do not fail when one of DB driver checks fails but other drivers exist (#4240)
 - Fix so exported vCard specifies encoding in v3-compatible format (#4244)
 
 ## Release 0.9.2
 
 - Fix image thumbnails display in print mode (#4220)
 - Fix height of message headers block (#4200)
 - Fix timeout issue on drag&drop uploads (#4238)
 - Fix default sorting of threaded list when THREAD=REFS isn't supported
 - Fix list mode switch to 'List' after saving list settings in Larry skin (#4236)
 - Fix error when there's no writeable addressbook source (#4235)
 - Fix zipdownload plugin issue with filenames charset (#4231)
 - Fix so non-inline images aren't skipped on forward (#4230)
 - Fix "null" instead of empty string on messages list in IE10 (#4227)
 - Fix legacy options handling
 - Fix so bounces addresses in Sender headers are skipped on Reply-All (#4140)
 - Fix bug where serialized strings were truncated in PDO::quote() (#4226)
 - Fix displaying messages with invalid self-closing HTML tags (#4223)
 - Fix PHP warning when responding to a message with many Return-Path headers (#4222)
 - Fix unintentional compose window resize (#4206)
 - Fix performance regression in text wrapping function (#4219)
 - Fix connection to postgres db using unix socket (#4218)
 - Fix handling of comma when adding contact from contacts widget (#4199)
 - Fix bug where a message was opened in both preview pane and new window on double-click (#4212)
 - Fix fatal error when xdebug.max_nesting_level was exceeded in rcube_washtml (#4202)
 - Fix PHP warning in html_table::set_row_attribs() in PHP 5.4 (#4194)
 - Fix invalid option selected in default_font selector when font is unset (#4204)
 - Fix displaying contact with ID divisible by 100 in sql addressbook (#4211)
 - Fix browser warnings on PDF plugin detection (#4209)
 - Fix fatal error when parsing UUencoded messages (#4210)
 
 ## Release 0.9.1
 
 - Better German labels for from/to to avoid conflicts with 'sender' (#4188)
 - Fix problem where security warning was displayed for valid images with image/jpg type (#4196)
 - Fix handling of invalid email addresses in headers (#4193)
 - Fix IMAP connection issue with default_socket_timeout < 0 and imap_timeout < 0 (#4191)
 - Fix various PHP code bugs found using static analysis (#4190)
 - Fix backslash character handling on vCard import (#4189)
 - Fix csv import from Thunderbird with French localization (#4170)
 - Fix messages list focus issue in Opera and Webkit (#4169)
 - Fix Reply-To header handling in Reply-All action (#4157)
 - Fix so Sender: address is added to Cc: field on reply to all (#4140)
 - Fix so addressbook_search_mode works also for group search (#4183)
 - Fix removal of a contact from a group in LDAP addressbook (#4185)
 - Include SQL query in the log on SQL error (#4172)
 - Fix handling untagged responses in IMAP FETCH - "could not load message" error (#4180)
 - Fix very small window size in Chrome (#4087)
 - Fix list page reset when viewing a message in Larry skin (#4182)
 - Fix min_refresh_interval handling on preferences save (#4179)
 - Fix PDF support detection for Firefox PDF.js (#4113)
 - Fix possible collision in generated thumbnail cache key (#4177)
 - Fix exit code on bootstrap errors in CLI mode (#4160)
 - Fix error handling in CLI mode, use STDERR and non-empty exit code (#5161)
 - Fix error when using check_referer=true
 - Fix incorrect handling of some specific links (#4171)
 - Fix incorrect handling of leading spaces in text wrapping
 - Fix unintentional messages list jumps on click in Internet Explorer (#4167)
 - Fix list of required configuration options (#4166)
 - Fix DB error when creating a new contact and a group is selected (#4164)
 - Fix handling of deprecated boolean value of reply_mode option (#4165)
 
 ## Release 0.9.0
 
 - Fix display of HTML entities in protected folder name (#4159)
 - Set minimal permissions to temp files (#4131)
 - Improve content check for embedded images without filename (#4151)
 - Fix handling of invalid characters in message headers and output (#4153)
 - Fix selecting collapsed rows on select-all (#4156)
 - Avoid race-conditions with concurrent attachment uploads (#3739)
 - Fix possible header duplicates when using additional headers (#4154)
 - Fix session issues with use_https=true (#4125)
 - Fix blockquote width in sent mail (#4152)
 - Fix keyboard events on list widgets in Internet Explorer (#4148)
 
 ## Release 0.9-rc2
 
 - Fix security issue in save-pref command
 - Remove sig_above configuration option, use reply_mode only (#4135)
 - Refresh current folder in opener window after draft save or message sent (#4132)
 - Fix saving draft just after entering compose window (#4141)
 - Fix javascript error in IE9 when loading form with placeholders into an iframe (#4138)
 - Fix handling of some conditional comment tags in HTML message (#4136)
 - Fix so forward as attachment works if additional attachment is added by message_compose hook (#4134)
 - Better handling of session errors in ajax requests (#4105)
 - Fix HTML part detection for some specific message structures (#4130)
 - Don't show fake address - phishing prevention (#4120)
 - Fix forward as attachment bug with editormode != 1 (#4129)
 - Fix LIMIT/OFFSET queries handling on MS SQL Server (#4123)
 - Fix so task name can really contain all from a-z0-9_- characters (#4095)
 - Fix javascript errors when working in a page opened with target="_blank"
 - Mention SQLite database format change in UPGRADING file (#4122)
 - Increase maxlength to 254 chars for email input fields in addressbook (#4126)
 - Fix thumbnail size when GD extension is used for image resize (#4124)
 - Display notice that message is encrypted also for application/pkcs7-mime messages (#3815)
 
 ## Release 0.9-rc
 
 - Fix plain text spellchecker incorrect highlighting in non-ASCII text (#4114)
 - Add workaround for invalid message charset detection by IMAP servers (#4112)
 - Fix NUL characters in content-type of ms-tnef attachment (#4108)
 - Fix regression in handling LDAP contact identifiers (#4104)
 - Updated translations from Transifex
 - Fix buggy error template in a frame (#4092)
 - Add addressbook widget on compose page in classic skin
 - Add search box to compose address book widget (#3710)
 - Fix login in case when default_host is an array with one element (#4085)
 - Use LDAP fallback hosts on connect + bind instead of ldap_connect() only.
 - Add config option for LDAP bind timeout (sets LDAP_OPT_NETWORK_TIMEOUT option)
 - Submit Addressbook advanced search form with Enter key (#3843)
 - Also block remote images in HTML part view (#4013)
 - Improved database schema upgrade procedure, added updatedb.sh script
 - Force autocommit mode in mysql database driver (#4068)
 
 ## Release 0.9-beta
 
 - Fix searching by date in address book (#4058)
 - Improve charset detection by prioritizing charset according to user language (#2032)
 - Fix handling of escaped separator in vCard file (#4064)
 - Add option to use envelope From address for MDN responses (#4052)
 - Add possibility to search in message body only (#3977)
 - Support "multipart/relative" as an alias for "multipart/related" type (#4057)
 - Display PGP/MIME signature attachments as "Digital Signature" (#3845)
 - Workaround UW-IMAP bug where hierarchy separator is added to the shared folder name (#4051)
 - Fix version comparisons with -stable suffix (#4050)
 - Add unsupported alternative parts to attachments list (#4046)
 - Add Compose button on message view page (#3959)
 - Display 'Sender' header in message preview
 - Plugin API: Added message_before_send hook
 - Fix contact copy/add-to-group operations on search result (#4042)
 - Use matching identity in MDN response (#4043)
 - Fix handling of signatures on draft edit (#3996)
 - Fix so compacting of non-empty folder is possible also when messages list is empty (#4039)
 - Allow forwarding of multiple emails (#2941)
 - Fix big memory consumption of DB layer (#4037)
 - Fix broken message/part bodies when FETCH response contains more untagged lines (#4020)
 - Fix empty email on identities list after identity update (#4018)
 - Add new identities_level: (4) one identity with possibility to edit only signature
 - Use Delivered-To and Envelope-To headers for identity selection (#4024, #3835)
 - Fix XSS vulnerability using Flash files (#4014)
 - Always save drafts with format=flowed in order to keep original line wraps (#3997)
 - Select default_addressbook on the list in Address Book (#3624)
 - Fix so mobile phone has TYPE=CELL in exported vCard (#4004)
 - Support contacts import from CSV file (#2605)
 - Improved keep-alive action. Now the interval is based on session_lifetime (#3799)
 - Added cross-task 'refresh' request for system state updates (#3799)
 - Renamed config options: keep_alive to refresh_interval, min_keep_alive to min_refresh_interval
 - Fix handling of text/enriched content on message reply/forward/edit
 - Option to display attached images as thumbnails below message body
 - Upgraded to jQuery 1.8.3 and jQuery UI 1.9.1
 - Add config option to automatically generate LDAP attributes for new entries
 - Add user settings to open message view and compose form in new windows (#1886)
 - Better client-side timezone detection using the jsTimezoneDetect library (#3947)
 - Add option to disable saving sent mail in Sent folder - no_save_sent_messages (#3923)
 - Fix handling dont_override with message_sort_col and message_sort_order settings (#3970)
 - Fix handling of URLs with asterisk characters (#3969)
 - Remove automatic to-lowercase conversion of usernames (#3941)
 - Plugin API: Add 'email_list' argument for identities data in user_create hook
 - Integrated zipdownload plugin to download all attachments (#617)
 - Fix HTML special characters handling in message list/header display (#3812)
 - List related text/html part as attachment in plain text mode (#3918)
 - Use IMAP BINARY (RFC3516) extension to fetch message/part bodies
 - Fix folder creation under public namespace root (#3910)
 - Fix so "Edit as new" on draft creates a new message (#3924)
 - Fix invalid error message on deleting mail from read only folder (#3929)
 - Replace data URIs of images (pasted in HTML editor) with inline attachments (#3795)
 - Remove (too big) min-width on mail screen
 - Added template object 'frame'
 - Add option to enable HTML editor on forwarding (#3807)
 - Add option to not include original message on reply, rename option top_posting to reply_mode (#1615)
 - Added session_path config option and unified cookies settings in javascript
 - Added "Undeleted" option to messages list filter
 - Rewritten test scripts for PHPUnit
 - Add new DB abstraction layer based on PHP PDO, supporting SQLite3 (#3668)
 - Removed PEAR::MDB2 package
 - Removed users.alias column, added option ('user_aliases')
   to use email address from identities as username (#3851)
 - Removed redundant cache.cache_id column (#3817)
 - Fix order of attachments in sent mail (#3740)
 - Fix Shift + delete button does not permanently delete messages (#3598)
 - Add Content-Length for attachments where possible (#1880)
 - Fix attachment sizes in message print page and attachment preview page (#3805)
 - Add mail attachments using drag & drop on HTML5 enabled browsers
 - Add workaround for invalid BODYSTRUCTURE response - parse message with Mail_mimeDecode package (#1966)
 - Display Tiff as Jpeg in browsers without Tiff support (#3757)
 - Don't display Pdf/Tiff/Flash attachments inline without browser support (#3757, #3394)
 - Add is_escaped attribute for html_select and html_textarea (#3782)
 - Fix issue where draft auto-save wasn't executed after some inactivity time
 - Add vCard import from multiple files at once (#3458)
 - Roundcube Framework:
     Add possibility to replace IMAP driver with custom class
     Add IMAP auto-connection feature, improving performance with caching enabled
     Replace imap_init hook with storage_init (with additional 'driver' argument)
     Improved performance by caching IMAP server's capabilities in session
     Unified global functions naming (rcube_ prefix)
     Better classes separation
     Framework files moved to lib/Roundcube
 
 ## Release 0.8.5
 
 - Fix #countcontrols issue in IE<=8 when text is very long (#4060)
 - Fix unwanted horizontal scrollbar in message preview header (#4044)
 - Add workaround for IE<=8 bug where Content-Disposition:inline was ignored (#4028)
 - Fix XSS vulnerability in vbscript: and data:text links handling [CVE-2012-6121] (#4033)
 - Fix absolute positioning in HTML messages (#4007)
 - Fix cache (in)validation after setting \Deleted flag
 - Fix keyboard events on messages list in opera browser (#4011)
 - Fix selection of collapsed thread rows (#3978)
 - Fix wrapping of quoted text with format=flowed (#3561)
 
 ## Release 0.8.4
 
 - Fix regression where unintentional page reload was done after request abort (#3999)
 - Fix XSS vulnerability in handling of text/enriched messages (#4000)
 - Fix handling of 'media' attribute on linked css (#3989)
 - Fix excessive LFs at the end of composed message with top_posting=true (#3995)
 - Fix bug where leading blanks were stripped from quoted lines (#3994)
 
 ## Release 0.8.3
 
 - Fix AREA links handling (#3992)
 - Fix possible HTTP DoS on error in keep-alive requests (#3983)
 - Fix compatibility with MDB2 2.5.0b4 (#3982)
 - Fix a bug where saving a message in INBOX wasn't possible
 - Fix HTML part detection in messages with attachments (#3976)
 - Fix bug where wrong words were highlighted on spell-before-send check
 - Fix scrolling quirk in email preview frame using Opera 12 (#3973)
 - Fix displaying of multipart/alternative messages with empty parts (#3961)
 - Fix threaded list sorting on PHP < 5.2.9 (#3960)
 - Fix Warning: htmlspecialchars(): charset `RCMAIL_CHARSET` not supported warning in Installer (#3958)
 
 ## Release 0.8.2
 
 - Fix XSS vulnerability from HTTP User-Agent header (#3954)
 - Force fonts in compose fields to be all the same (#3926)
 - Fix handling vCard entries with TEL;TYPE=CELL (#3949)
 - Fix error where session wasn't updated after folder rename/delete (#3928)
 - Fix PLAIN authentication for some IMAP servers (#3916)
 - Fix encoding vCard file when contains PHOTO;ENCODING=b (#3922)
 - Fix focus issue in IE when selecting message row (#3881)
 - Add full headers view in message preview window (#3823)
 - Fix message display page issues - unified with message preview (#3856, #3895)
 - Fix displaying all headers when they contain malformed characters (#3911)
 - Fix decoding of HTML messages with UTF-16 charset specified (#3902)
 - Fix quota capability detection so it can be overwritten by a plugin (#3903)
 - Fix identity selection on reply (#3516)
 - Fix Larry's messages list filter in IE (#3890)
 - Fix more IE issues by disabling Compat. mode with X-UA-Compatible meta tag (#3886)
 - Fix setting locales under Solaris - use additional .UTF-8 suffix (#3887)
 - Fix email address validation for addresses with IP address in domain part
 - Fix Larry skin issues in IE7 compat. mode (#3879)
 - Fix so subscribed non-existing/non-accessible shared folder can be unsubscribed
 
 ## Release 0.8.1
 
 - Fix bug where domain name was converted to lower-case even with login_lc=false (#3859)
 - Fix lower-casing email address on replies (#3863)
 - Fix line separator in exported messages (#3866)
 - Fix XSS issue where plain signatures wasn't secured in HTML mode [CVE-2012-4668] (#3875)
 - Fix XSS issue where href="javascript:" wasn't secured [CVE-2012-3508] (#3875)
 - Fix impossible to create message with empty plain text part (#3873)
 - Fix stripped apostrophes when replying in plain text to HTML message (#3869)
 - Fix inactive Save search option after advanced search (#3870)
 - Fix Remove from group option is active for contact search result (#3871)
 - Disable autocapitalization in login form on iPad/iPhone (#3872)
 - Fix focus on the list when list row is clicked (#3865)
 - Added separate From and To columns apart from smart From/To column (#2970)
 - Fix fallback to Larry skin when configured skin isn't available (#3857)
 - Fix (workaround) delete operations with some versions of memcache (#3858)
 - Fix (disable) request validation for spell and spell_html actions
 
 ## Release 0.8.0
 
 - Don't show product version on login screen (can be enabled by config)
 - Renamed old default skin to 'classic'. Larry is the new default skin.
 - Support connections to memcached socket file (#3848)
 - Enable TinyMCE inlinepopups plugin
 - Update to TinyMCE 3.5.6
 - Correctly escape localized labels in javascript variable (#3842)
 - Update Net_SMTP/Auth_SASL packages to fix Digest-MD5/Cram-MD5 authentication (#3846)
 - Don't add attachments content into reply/forward/draft message body (#3837)
 - Fix 'no connection' errors on page unloads (#3832)
 - Plugin API: Add 'unauthenticated' hook (#3545)
 - Show explicit error message when provided hostname is invalid (#3834)
 - Fix wrong compose screen elements focus in IE9 (#3826)
 - Fix fatal error when date.timezone isn't set (#3831)
 - Update to TinyMCE 3.5.4.1
 - Better icons with distinct shapes for priority columns (#3706)
 - Show dedicated icon for multipart/report messages (#3813)
 - Properly hide text of icon links/buttons (#3820)
 - Fix handling of unitless CSS size values in HTML message (#3821)
 - Fix removing contact photo using LDAP addressbook (#3737)
 - Fix storing X-ANNIVERSARY date in vCard format (#3816)
 - Update to Mail_Mime-1.8.5 (#3810)
 - Fix XSS vulnerability in message subject handling using Larry skin [CVE-2012-3507] (#3809)
 - Fix handling of links with various URI schemes e.g. "skype:" (#3521)
 - Fix handling of links inside PRE elements on html to text conversion
 - Fix indexing of links on html to text conversion
 - Decode header value in rcube_mime::get() by default (#3803)
 - Fix errors with enabled PHP magic_quotes_sybase option (#3798)
 - Fix SQL query for contacts listing on MS SQL Server (#3797)
 - Fix window.resize handler on IE8 and Opera (#3758)
 - Don't let error message popups cover the login form (#3794)
 - Update to TinyMCE 3.5.2
 - Don't show errors when moving contacts into groups they are already in (#3788)
 - Make folders with unread messages in subfolders bold again (#2892)
 - Abbreviate long attachment file names with ellipsis (#3793)
 - Fix html2text conversion of strong|b|a|th|h tags when used in upper case
 - Add listcontrols template container in Larry skin (#3792)
 - Fix host autoselection when default_host is an array (#3790)
 - Move messages forwarding mode setting into Preferences
 - Fix HTML entities handling in HTML editor (#3780)
 - Fix listing shared folders on Courier IMAP (#3767)
 
 ## Release 0.8-rc
 
 - Added new translations in Belarusian, Interlingua and Malayalam
 - Flipped compose options arrow (#3772)
 - Fix handling of large uuencode attachments (#3771)
 - Fix handling of "usemap" attribute (#3770)
 - Fix handling of some HTML tags e.g. IMG (#3769)
 - Use similar language as a fallback for plugin localization (#3726)
 - Fix issue where signature wasn't re-added on draft compose (#3659)
 - Update to TinyMCE 3.5 (#3762)
 - Fixed multi-threaded autocompletion when number of threads > number of sources
 - Allow to configure the number of values allowed for each LDAP attribute
 - Support for serialized LDAP address values (usually delimited with a $)
 - Less restrictive session auth checks, repeat keep-alive requests on failure (#3755)
 - Fix redirect to mail/compose on re-login (#3585)
 - Add IE8 hack for messages list issue (#3317)
 - Fix handling errors on draft auto-save
 - Fix importing vCard photo with ENCODING param specified (#3746)
 - Support multiple name/email pairs for Bcc and Reply-To identity settings (#3752)
 - Set flexible width to login form fields (#3735)
 - Fix re-draw bug on list columns change in IE8 (#3318)
 - Allow mass-removal of addresses from a group (#3259)
 - Fix removing all contacts on import to LDAP addressbook
 - Fix so "Back" from compose/show doesn't reset search request (#3594)
 - Add option to delete messages instead of moving to Trash when in Junk folder (#2805)
 - Fix invisible cursor when replying to a html message (#3100)
 - Reset IP stored in session when destroying session data (#3485)
 - Fix bug where memory_limit = -1 wasn't handled properly
 - Support LDAP RFC2256's country object class read/write (#3535)
 - Upgraded to jQuery 1.7.2
 - Image resize with GD extension (#3712)
 - Fix lack of warning when switching task in compose window (#3725)
 - Fix bug where it wasn't possible to enter ( or & characters in autocomplete fields
 - Request all needed fields from address book backends (#3721)
 - Unified (single) spellchecker button
 - Scroll long lists on drag&drop (#2249)
 - Copy all skins in installto script (#3705)
 
 ## Release 0.8-beta
 
 - Upgraded to jQuery 1.7.1 (#3673) and jQuery UI 1.8.18
 - Add Russian to the spellchecker languages list (#3542)
 - Remember custom skin selection after logout (#3688)
 - Make sure About tab is always the last tab (#3609)
 - Fix issue with folder creation under INBOX. namespace (#3683)
 - Added mailto: protocol handler registration link in User Preferences (#2729)
 - Handle identity details box with an iframe (#3066)
 - Fix issue where some text from original message was missing on reply (#3675)
 - Fix autoselect_host() for login (#3639)
 - Changed license to GNU GPLv3+ with exceptions for skins & plugins
 - Added address book widget on compose screen
 - Use proper timezones from PHP's internal timezonedb (#1973)
 - Add separate pagesize setting for mail messages and contacts (#3617)
 - Deprecate $DB, $USER, $IMAP global variables, Use $RCMAIL instead
 - Add option to set default font for HTML message (#894)
 - Fix issues with big memory allocation of IMAP results
 - Prevent from memory_limit exceeding when trying to parse big messages bodies (#3164)
 - Add possibility to add SASL mechanisms for SMTP in smtp_connect hook (#3399)
 - Mark (with different color) folders with recent messages (#2479)
 - Added About tab in Settings
 - TinyMCE updated to 3.4.6
 
 ## Release 0.7.2
 
 - Fix encoding of attachment with comma in name (#3717)
 - Fix handling of % character in IMAP protocol (#3711)
 - Fix duplicate names handling in addressbook searches (#3704)
 - Fix displaying of HTML messages from Disqus (#3702)
 - Disable E_STRICT warnings on PHP 5.4
 - Prevent from folder selection on virtual folder collapsing (#3681)
 - Fix automatic unsubscribe of non-existent folders
 - Fix double-quotes handling in recipient names
 - User configurable setting how to display contact names in list
 - Make contacts list sorting configurable for the admin/user
 - Fix parse errors in DDL files for MS SQL Server
 - Revert SORT=DISPLAY support, removed by mistake (#3664)
 - Add lost translation label in de_DE (#3654)
 - Fix drafts update issues when edited from preview pane (#3653)
 - Fix wrong variable name in rcube_ldap.php (#3643)
 - Make mime type detection based on filename extension to be case-insensitive
 - Fix failure on MySQL database upgrade from 0.7 - text column can't have default value (#3642)
 
 
 ## Release 0.7.1
 
 - Fix bug in handling of base href and inline content (#3634)
 - Fix SQL Error when saving a contact with many email addresses (#3630)
 - Fix strict email address searching if contact has more than one address
 - Remove duplicated 'organization' label (#3631)
 - Fix so editor selector is hidden when 'htmleditor' is listed in 'dont_override'
 - Fix wrong (long) label usage (#3627)
 - Fix handling of INBOX's subfolders in special folders config (#3623)
 - Add ifModule statement for setting Options -Indexes in .htaccess file (#3620)
 - Fix crashes with eAccelerator (#3608)
 - Fix searching on IMAP servers without CHARSET specifier support (#3619)
 - Fix expanding folders during drag&drop (#3611)
 - Fix wrong postgres sequence name in upgrade from 0.6
 - Fix broken CREATE INDEX queries in SQLite DDL files (#3607)
 
 ## Release 0.7
 
 - Make Roundcube render the Email Standards Project Acid Test correctly
 - Replace prompt() with jQuery UI dialog (#1603)
 - Fix navigation in messages search results
 - Improved handling of some malformed values encoded with quoted-printable (#3590)
 - Add possibility to do LDAP bind before searching for bind DN
 - Fix handling of empty <U> tags in HTML messages (#3584)
 - Add content filter for embedded attachments to protect from XSS on IE [CVE-2012-1253] (#3372)
 - Use strpos() instead of strstr() when possible (#3581)
 - Fix handling HTML entities when converting HTML to text (#3582)
 - Fix fit_string_to_size() renders browser and ui unresponsive (#3577)
 - Fix handling of invalid characters in request (#3536)
 - Fix merging some configuration options in update.sh script (#2181)
 - Fix so TEXT key will remove all HEADER keys in IMAP SEARCH (#3578)
 - Fix handling contact photo url with https:// prefix (#3575)
 - Fix possible infinite redirect on attachment preview (#3572)
 - Improved clickjacking protection for browsers which don't support X-Frame-Options headers
 - Fixed bug where similar folder names were highlighted wrong (#3345)
 - Fixed bug in handling link with '!' character in it (#3569)
 - Fixed bug where session ID's length was limited to 40 characters (#3570)
 - TinyMCE security issue: removed moxieplayer (embedding flv and mp4 is not supported anymore)
 
 ## Release 0.7-beta
 
 - Fix handling of HTML form elements in messages (#1604)
 - Fix regression in setting recipient to self when replying to a Sent message (#3101)
 - Fix listing of folders in hidden namespaces (#2895)
 - Don't consider \Noselect flag when building folders tree (#3448)
 - Fix sorting autocomplete results (#3504)
 - Add option to set session name (#2630)
 - Add option to skip alternative email addresses in autocompletion
 - Fix inconsistent behaviour of Compose button in Drafts folder, add Edit button for drafts
 - Fix problem with parsing HTML message body with non-unicode characters (#3312)
 - Add option to define matching method for addressbook search (#2720, #3378)
 - Make email recipients separator configurable
 - Fix so folders with \Noinferiors attribute aren't listed in parent selector
 - Fix handling of curly brackets in URLs (#3555)
 - Fix handling of dates (birthday/anniversary) in contact data (#3552)
 - Fix error on opening searched LDAP contact (#3550)
 - Fix redundant line break in flowed format (#3551)
 - Fix IDN address validation issue (#3544)
 - Fix JS error when dst_active checkbox doesn't exist (#3540)
 - Autocomplete LDAP records when adding contacts from mail (#3498)
 - Plugin API: added 'ready' hook (#3492)
 - Ignore DSN request when it isn't supported by SMTP server (#3300)
 - Make sure LDAP name fields aren't arrays (#3523)
 - Fixed imap test to non-default port when using ssl (#3532)
 - Force all files to be overwritten when updating (#3531)
 - Fix issue where it wasn't possible to change list view mode in folder manager for INBOX (#3522)
 - Fix namespace handling in special folders settings (#3527)
 - Disable time limit for CLI scripts (#3524)
 - Fix misleading display when changing editor type (#3519)
 - Add loading indicator on contact delete
 - Fix bug where after delete message rows can be added to the list of another folder (#3263)
 - Add notice on autocompletion that not all records were displayed
 - Add option 'searchonly' for LDAP address books
 - Add Priority filter to the messages list
 - Cache synchronization using QRESYNC/CONDSTORE
 - Trigger 'new_messages' hook for all checked folders (#3503)
 - Make date/time format user configurable; drop 'date_today' config option
 - Fix setting title for truncated subject in IE (#3141)
 - Fix displaying multipart/alternative messages with only one part (#3400)
 - Rewritten messages caching:
   Indexes are stored in a separate table, so there's no need to store all messages in a folder
   Added threads data caching
   Flags are stored separately, so flag change doesn't cause DELETE+INSERT, just UPDATE
 - Improved FETCH response handling
 - Improvements in response tokenization method
 - Use 'From' and 'To' labels instead of 'Sender' and 'Recipient'
 - Fix username case-insensitivity issue in MySQL (#3462)
 - Addressbook Saved Searches
 - Added spellchecker exceptions dictionary (shared or per-user)
 - Added possibility to ignore words containing caps, numbers, symbols (spellcheck_ignore_* options)
 - Added 'priority' column on messages list (#2884)
 - Localize forwarded message header (#3487)
 
 ## Release 0.6
 
 - Fix bug where the last identity is used on reply (#3516)
 - Fix locked folder rename option on servers supporting RFC2086 only (#3508)
 - Fix session race conditions when composing new messages
 - Fix encoding of LDAP contacts identifiers (#3501)
 - jQuery 1.6.4
 - Fix handling of binary attachments encoded with quoted-printable (#3494)
 - Fix text-overflow:ellipsis issues on messages list in FF7 and Webkit (#3490)
 - Fix handling of links with IP address
 - Fix compacting folder resets message list filter (#3499)
 
 ## Release 0.6-rc
 
 - Send X-Frame-Options headers to protect from clickjacking (#3079)
 - Fallback to mail_domain in LDAP variable replacements; added 'host' to 'user_create' hook arguments (#3464)
 - Fixed wrong vCard type parameter mobile (#3496)
 - Fixed vCard WORKFAX issue (#3476)
 - Add vCard's Profile URL support (#3491)
 - jQuery 1.6.3
 - Fix imap_cache setting to values other than 'db' (#3489)
 - Fix handling of attachments inside message/rfc822 parts (#3466)
 - Make list of mimetypes that open in preview window configurable (#3175)
 - Added plugin hook 'message_part_get' for attachment downloads
 - Added unique connection identifier to IMAP debug messages
 - Fix image type check for contact photo uploads
 
 ## Release 0.6-beta
 
 - Fixed selecting identity on reply/forward (#3434)
 - Add option to hide selected LDAP addressbook on the list
 - Add client-side checking of uploaded files size
 - Add newlines between organization, department, jobtitle (#3468)
 - Recalculate date when replying to a message and localize the cite header (#3212)
 - Fix handling of email addresses with quoted local part (#3401)
 - Fix EOL character in vCard exports (#3357)
 - Added optional "multithreading" autocomplete feature
 - Plugin API: Added 'config_get' hook
 - Fixed new_user_identity plugin to work with updated rcube_ldap class (#3443)
 - Plugin API: added folder_delete and folder_rename hooks
 - Added possibility to undo last contact delete operation
 - Fix sorting of contact groups after group create (#3258)
 - Add optional textual upload progress indicator (#2330)
 - Fix parsing URLs containing commas (#3425)
 - Added vertical splitter for books/groups list in addressbook (#3389)
 - Improved namespace roots handling in folder manager
 - Added searching in all addressbook sources
 - Added addressbook source selection in contacts import
 - Implement LDAPv3 Virtual List View (VLV) for paged results listing
 - Use 'address_template' config option when adding a new address block (#3406)
 - Added addressbook advanced search
 - Add popup with basic fields selection for addressbook search
 - Case-insensitive matching in autocompletion (#3398)
 - Added option to force spellchecking before sending a message (#1862)
 - Fix handling of "<" character in contact data, search fields and folder names (#3349)
 - Fix saving "<" character in identity name and organization fields (#3349)
 - Added option to specify to which address book add new contacts
 - Added plugin hook for keep-alive requests
 - Store user preferences in session when write-master is not available and session is stored in memcache, write them later
 - Improve performance of folder manager operations
 - Fix default_port option handling in Installer when config.inc.php file exists (#3390)
 - Removed option focus_on_new_message, added newmail_notifier plugin
 - Added general rcube_cache class with Memcache and APC support
 - Improved caching performance by skipping writes of unchanged data
 - Option enable_caching replaced by imap_cache and messages_cache options
 - Fix WORKFAX saving in address book (#3380)
 - Add forward-as-attachment feature
 - jQuery-1.6.2 (#5158, #3154)
 - Improve display name composition when saving contacts (#3153)
 - Fix problems with subfolders of INBOX folder on some IMAP servers (#3247)
 - Fix handling of folders that doesn't belong to any namespace (#3184)
 - Enable multiselection for attachments uploading in capable browsers (#2266)
 - Add possibility to change HTML editor configuration by skin
 - Fix a bug where selecting too many contacts would produce too large URI request (#3369)
 - Improve performance by including files with absolute path (#3337)
 - Move folder name truncation to client/skin (#1822)
 - Added plugin hook for request token creation
 - Replace LDAP vars in group queries (#3329)
 - Fix vcard folding with unicode characters (#3353)
 - Keep all submitted data if contact form validation fails (#3350)
 - Handle unicode strings in rcube_addressbook::normalize_string() (#3351)
 - Fix handling of debug_level=4 in ajax requests (#3327)
 - Enable TinyMCE's contextmenu (#3062)
 - Allow multiple concurrent compose sessions
 - New config option for custom logo
 - Allow skins to define/override texts with <roundcube:label />
 - Add simple ACL rights/namespace handling in folder manager
 - Force IE to send referers (#3306)
 - Better display of vcard import results (#1861)
 - Improved vcard import
 - Interactive update script with improved DB schema check
 - Fix problem with contactgroupmembers table creation on MySQL 4.x, add index on contact_id column
 - Add LDAP SASL bind and proxy authentication (#2810)
 - Replying to a sent message puts the old recipient as the new recipient (#3101)
 - Fulltext search over (almost) all data for contacts
 - Extend address book with rich contact information
 
 ## Release 0.5.4
 
 - Fix XSS vulnerability in UI messages [CVE-2011-2937] (#3469)
 
 ## Release 0.5.3
 
 - Fix identities "reply-to" and "bcc" fields have a bogus value when left empty (#3405)
 - Fix issue which cases IMAP disconnection when encrypt() method was used (#3374)
 - Fix some CSS issues in Settings for Internet Explorer
 - Fixed handling of folder with name "0" in folder selector
 - Fix bug where messages were deleted instead moved to trash folder after Shift key was used (#3376)
 - Fix relative URLs handling according to a <base> in HTML (#3368)
 - Fix handling of top-level domains with more than 5 chars or unicode chars (#3366)
 - Fix usage of non-standard HTTP error codes (#3297)
 - Fix PHP warning on mistaken in_array() usage (#3375)
 
 ## Release 0.5.2
 
 - TinyMCE 3.4.2 now compatible with IE9
 - PEAR::Net_SMTP 1.5.2, fixed timeout issue (#3332)
 - Fix bug where template name without plugin prefix was used in render_page hook
 - Support 'abort' and 'result' response in 'preferences_save' hook, add error handling
 - Fix bug where some content would cause hang on html2text conversion (#3348)
 - Improve space-stuffing handling in format=flowed messages (#3346)
 - Fix bug where some dates would produce SQL error in MySQL (#3342)
 - Added workaround for some IMAP server with broken STATUS response (#3344)
 - Fix bug where default_charset was not used for text messages (#3328)
 - Stateless request tokens. No keep-alive necessary on login page (#3325)
 - Force names of unique constraints in PostgreSQL DDL
 - Add code for prevention from IMAP connection hangs when server closes socket unexpectedly
 - Remove redundant DELETE query (for old session deletion) on login
 - Get around unreliable rand() and mt_rand() in session ID generation (#2516)
 - Fix some emails are not shown using Cyrus IMAP (#3316)
 - Fix handling of mime-encoded words with non-integral number of octets in a word (#3301)
 - Fix parsing links with non-printable characters inside (#3305)
 - Fixed de_CH Localization bugs (#3279)
 - Add variable for 'Today' label in date_today option (#2394)
 - Fix dont_override setting does not override existing user preferences (#3205)
 - Use only one from IMAP authentication methods to prevent login delays (1487784)
 - Support strftime format in date_today option
 - Fix SQL query in rcube_user::query() so it uses index on MySQL again
 - Removed redundant </form> tags from contact add/edit pages
 - Fix CSS error in contact details screen on IE7 (#3281)
 
 ## Release 0.5.1
 
 - Fix handling of attachments with invalid content type (#3275)
 - Add workaround for DBMail's bug http://www.dbmail.org/mantis/view.php?id=881 (#3274)
 - Use IMAP's ID extension (RFC2971) to print more info into debug log
 - Security: add optional referer check to prevent CSRF in GET requests
 - Fix email_dns_check setting not used for identities/contacts (#3251)
 - Fix ICANN example addresses doesn't validate (#3253)
 - Security: protect login form submission from CSRF [CVE-2011-1491]
 - Security: prevent from relaying malicious requests through modcss.inc [CVE-2011-1492]
 - Fix handling of non-image attachments in multipart/related messages (#3261)
 - Fix IDNA support when IDN/INTL modules are in use (#3253)
 - Fix handling of invalid HTML comments in messages (#3269)
 - Fix parsing FETCH response for very long headers (#3264)
 - Fix add/remove columns in message list when message_sort_order isn't set (#3262)
 - Check mime headers before attempt to parse them (#3256)
 - Quote header values in show_additional_headers plugin (#3255)
 - Fix settings UI on IE 6 (#3246)
 - Remove double borders in folder listing (#3236)
 - Separate full message headers UI element from headers table (#3238)
 - Add part MIME ID to message_part_* hooks (#3241)
 - Improve parsing of MS Outlook vCards (#3239)
 - Updated PEAR::Net_Socket to 1.0.10
 - Updated PEAR::Net_IDNA2 to 0.1.1
 - Fix handling of comments inside an email address spec. (#3210)
 - Show full mail subject as title when hovering a cut subject link (#3141)
 - Fix randomly disappearing folders list in IE (#3231)
 - Fix list column add/removal in IE (#3230)
 - Fix login redirect issues (#3221)
 - Require PHP 5.2.1 or greater
 - Fix %h/%z variables in username_domain option (#3228)
 - Workaround for setting charset in case of malformed bodystructure response (#3227)
 - Fix impossible to subscribe to protected folders (#3199)
 - Fix setting timezone in Preferences (#3232)
 
 ## Release 0.5
 
 - Fix double-login/session issue (#3124)
 - Wrap HTML parts with <html><body> and add Doctype declaration (#3119)
 - Make rcube_autoload silently skip unknown classes (#3128)
 - Fix charset detection in vcards with encoded values (#1934)
 - Better CSS cursors for splitters (#2954)
 - Show the same message only once (#3186)
 - Fix namespaces handling (#3192)
 - Add handling of multifolder METADATA/ANNOTATION responses
 - Fix handling of INBOX when personal namespace prefix is non-empty (#3200)
 - Fix handling square brackets in links (#3209)
 - Add description of 'use_https' option in main.inc.php.dist file
 
 ## Release 0.5-RC
 
 - Plugin API: Add 'pass' argument in 'authenticate' hook (#3147)
 - Fix attachments of type message/rfc822 are not listed on attachments list
 - Add 'login_lc' config option for case-insensitive authentication (#3131)
 - Fix window is blur'ed in IE when selecting a message (#3161)
 - Fix cursor position on compose form in Webkit browsers (#2796)
 - Fix setting charset of attachment filenames (#3136)
 - Allow setting autocomplete attribute for all inputs separately (#3158)
 - New Folder Manager UI
 - Fix invalid Request when creating a folder (#3165)
 - Add folder size and quota indicator in folder manager (#2112)
 - Add possibility to move a subfolder into root folder (#2890)
 - Fix copying all messages in a folder copies only messages from current page
 - Improve performance of moving or copying of all messages in a folder
 - Fix plaintext versions of HTML messages don't contain placeholders for emotions (#1657)
 - Improve performance of folder rename and delete actions
 - Better support for READ-ONLY and NOPERM responses handling (#3108)
 - Add confirmation message on purge/expunge command response
 - Fix handling of untagged responses for AUTHENTICATE command (#3171)
 - Add username and IP address to log message on unsuccessful login (#3176)
 - Improved Mail-Followup-To and Mail-Reply-To headers handling
 - Fix charset conversion for text attachments without charset specification (#3181)
 
 ## Release 0.5-BETA
 
 - Make session data storage more robust against garbage session data (#3148)
 - Config option for autocomplete on login screen
 - Allow plugin templates to include local files (#3146)
 - List groups in address detail view and allow to subscribe/unsubscribe from there (#2862)
 - Messages caching: performance improvements, fixed syncing, fixes related with #2857
 - Add link to identities in compose window (#2843)
 - Add Internationalized Domain Name (IDNA) support (#729)
 - Add option to automatically send read notifications for known senders (#2199)
 - Add option to "Return receipt" will be always checked (#2571)
 - Fix HTML to plain text conversion doesn't handle citation blocks (#2992)
 - Use custom sorting when SORT is disabled by IMAP admin (#3020)
 - Allow setting some washtml options from plugin (#2727)
 - Add option do bind for an individual LDAP address book (#3048)
 - Change reply prefix to display email address only if sender name doesn't exist (#2709)
 - Plugin API: improved 'abort' flag handling, added 'result' item in some hooks (#2988)
 - Fix mailto optional params in plain text messages aren't handled (#3071)
 - Add Reply-to-List feature (#977)
 - Add Mail-Followup-To/Mail-Reply-To support (#1937)
 - Fix confirmation message isn't displayed after sending mail on Chrome (#2437)
 - Fix keyboard doesn't work with autocomplete list with Chrome (#3073)
 - Improve tabs to fixed width and add tabs in identities info (#3030)
 - Add unique index on users.username+users.mail_host
 - Make htmleditor option more consistent and add option to use HTML on reply to HTML message (#2164)
 - Use empty envelope sender address for message disposition notifications (RFC 2298.3)
 - Support SMTP Delivery Status Notifications - RFC 3461 (#2409)
 - Use css sprite image for messages list
 - Add (different) attachment icon for messages of type multipart/report (#2426)
 - Prevent from inserting empty link when composing HTML message (#3007)
 - Add caching support in id2uid and uid2id functions (#3065)
 - Add SASL proxy authentication for SMTP (#2811)
 - Improve displaying of UI messages (#3033)
 - Fix double e-mail filed in identity form (#3088)
 - Display IMAP errors for LIST/THREAD/SEARCH commands (#2981)
 - Add LITERAL+ (IMAP4 non-synchronizing literals) support (RFC 2088)
 - Add separate column for message status icon (#2788)
 - Add ACL extension support into IMAP classes (RFC 4314)
 - Add ANNOTATEMORE extension support into IMAP classes (draft-daboo-imap-annotatemore)
 - Add METADATA extension support into IMAP classes (RFC 5464)
 - Fix decoding of e-mail address strings in message headers (#3097)
 - Fix handling of attachments when Content-Disposition is not inline nor attachment (#3086)
 - Improve performance of unseen messages counting (#3090)
 - Improve performance of messages counting using ESEARCH extension (RFC4731)
 - Add LIST-STATUS support in rcube_imap_generic class (RFC 5819)
 - Add SASL-IR support in IMAP (RFC 4959)
 - Add LOGINDISABLED support (RFC 2595)
 - Add support for AUTH=PLAIN in IMAP authentication
 - Re-implemented SMTP proxy authentication support
 - Add support for IMAP proxy authentication (#2808)
 - Add support for AUTH=DIGEST-MD5 in IMAP (RFC 2831)
 - Fix parent folder with unread subfolder not bold when message is open (#3104)
 - Add basic IMAP LIST's \Noselect option support
 - Add support for selection options from LIST-EXTENDED extension (RFC 5258)
 - Don't list subscribed but non-existent folders (#2474)
 - Fix handling of URLs with tilde (~) or semicolon (;) character (#3110, #3111)
 - Plugin API: added 'contact_form' hook
 - Add SORT=DISPLAY support (RFC 5957)
 - Plugin API: add possibility to disable plugin in AJAX mode, 'noajax' property
 - Plugin API: add possibility to disable plugin in framed mode, 'noframe' property
 - Improve performance of setting IMAP flags using .SILENT suffix
 - Improve performance of message cache status checking with skip_disabled=true
 - Support contact's email addresses up to 255 characters long (#3116)
 - Add option to place replies in the folder of the message being replied to (#2248)
 - Add missing confirmation/error messages on contact/group/message actions (#2935)
 - Add 'loading' message on message move/copy/delete/mark actions
 - Improve responsiveness of messages displaying (#3039)
 - Add option for minimum length of autocomplete's string (#2625)
 - Fix operations on messages in unsubscribed folder (#3126)
 - Add support for shared folders (#525)
 - Fix handling of folders with name "0" (#3133)
 - Fix handling of folders with "<>" characters in name
 - jQuery 1.4.4
 - Fix handling of HTML entity strings in plain text messages
 - Fix focused elements aren't unfocused when clicking on the list (#3137)
 - Fix error in MSSQL DDL scripts (#3130)
 - Lock submit button in onsubmit event on login page (#3078)
 - Don't set attachment's charset in Content-type header (#3136)
 - Fix handling of message bodies (quoted-printable encoded) with NULL characters (#2448)
 - Add workaround for MSOE's multipart/related messages with non-related attachments
 
 ## Release 0.4.2
 
 - Fix handling of backslash as IMAP delimiter
 - Fix charset replacement in HTML message bodies (#3067)
 - Fix: contact group input is empty when using rename action more than once on the same group record
 - Fix "Server Error! (Not Found)" when using utils/save-pref action (#3069)
 - Fix handling of Thunderbird's vCards (#3070)
 
 ## Release 0.4.1
 
 - Fix space-stuffing in format=flowed messages (#3064)
 - Fix msgexport.sh now using the new imap wrapper
 - Avoid displaying password on shell (#3010)
 - Only lower-case user name if first login attempt failed (#2600)
 - Make alias setting in squirrelmail_usercopy plugin configurable (patch by pommi, #3056)
 - Prevent from saving a non-existing skin path in user prefs (#3004)
 - Improve handling of single-part messages with bogus BODYSTRUCTURE (#2976)
 - Fix path to SQL files when using pgsql/mysqli/sqlsrv drivers (#2979)
 - Fix upgrade script for SQLite (#2980)
 - Fixes in SQL init script + added update script for MSSQL database
 - Remove redundant date in syslog messages (#3008)
 - Fix contacts list page controls when a group is selected (#3009)
 - Fix SMTP test in Installer (#3014)
 - Fix "Select all" causes message to be opened in folder with exactly one message (#2987)
 - Fix Tab key doesn't work in HTML editor in Google Chrome (#2995)
 - Fix TinyMCE uses zh_CN when zh_TW locale is set (#2998)
 - Fix TinyMCE buttons are hidden in Opera (#2993)
 - Fix JS error on IE when trying to send HTML message with enabled spellchecker (#3006)
 - Display inline images with known extensions and non-image content-type (#3002)
 - Fix "Threaded" checkbox after subfolder creation (#2997)
 - Fix timezone string in sent mail (#3021)
 - Show disabled checkboxes for protected folders instead of dots (#1898)
 - Added fieldsets in Identity form, added 'identity_form' hook
 - Re-added 'Close' button in upload form (#2999, #2917)
 - Fix handling of charsets with LATIN-* label
 - Fix messages background image handling in some cases (#3043)
 - Fix format=flowed handling (#3042)
 - Fix when IMAP connection fails in 'get' action session shouldn't be destroyed (#3046)
 - Fix list_cols is not updated after column dragging (#3050)
 - Support %z variable in host configuration options (#3054)
 
 ## Release 0.4
 
 - Fix disappearing upload form disappears when user selects a file on Safari (#2917)
 - Don't replace error messages with loading info (#2534)
 - Fix JS errors on compose mode switch (#2952)
 - Fix message structure parsing when it lacks optional fields (#2960)
 - Include all recipients in sendmail log
 - Support HTTP_X_FORWARDED_PROTO header for HTTPS detecting (#2950)
 - Fix default IMAP port configuration (#2948)
 - Create Sent folder when starting to compose a new message (#2900)
 - Fix handling of messages with Content-Type: application/* and no filename (#840)
 - Improved compose screen: resizable body and attachments list, vertical splitter, options menu
 - Fix RC forgets search results (#722)
 - TinyMCE 3.3.7
 - Improve parsing of styled empty tags in HTML messages (#2908)
 - Add %dc variable support in base_dn/bind_dn config (#2881)
 - Add button to hide/unhide the preview pane (#955)
 - Fix no-cache headers on https to prevent content caching by proxies (#2897)
 - Fix attachment filenames broken with TNEF decoder using long filenames (#2894)
 - Use user's timezone in Date header, not server's timezone (#2393)
 - Add option to set separate footer for HTML messages (#2784)
 - Add real SMTP error description to displayed error messages (#2233)
 - Fix some IMAP errors handling when opening the message (#1848)
 - Fix related parts aren't displayed when got mimetype other than image/* (#2629)
 - Multiple identity and database support for squirrelmail_usercopy plugin (#2686)
 - Support dynamic hostname (%d/%n) variables in configuration options (#1843)
 - Add 'messages_list' hook (#2504)
 - Add request* event triggers in http_post/http_request (#2340)
 - Fix use RFC-compliant line-delimiter when saving messages on IMAP (#2828)
 - Add 'imap_timeout' option (#2869)
 - Fix forwarding of messages with winmail attachments
 - Fix handling of uuencoded attachments in message body (#2163)
 - Added list_mailboxes hook in rcube_imap::list_unsubscribed() (#2791)
 - Fix wrong message on file upload error (#2839)
 - Add support for data URI scheme [RFC2397] (#2851)
 - Added 'actionbefore', 'actionafter', 'responsebefore', 'responseafter' events
 - Fix double-addition of e-mail domain to content ID in HTML images
 - Read and send messages with format=flowed (#1052), fixes word wrapping issues (#2703)
 - Fix duplicated attachments when forwarding a message (#2670)
 - Fix message/rfc822 attachments containing only attachments are not parsed properly (#2854)
 - Fix %00 character in winmail.dat attachments names (#2850)
 - Fix handling errors of folder deletion (#2821)
 - Parse untagged CAPABILITY response for LOGIN command (#2853)
 - Renamed all php-cli scripts to use .sh extension
 - Some files from /bin + spellchecking actions moved to the new 'utils' task
 - Added thread tree icons
 - Extend contact groups support (#2802)
 - Fix check-recent action issues and performance (#2690)
 - Fix messages order after checking for recent (#1249)
 - Fix autocomplete shows entries without email (#2640)
 - Fix listupdate event doesn't trigger on search response (#2824)
 - Fix select_all_mode value after selecting a message (#2834)
 - Set focus to editor on reply in HTML mode (#2768)
 - Fix composing in HTML jumps cursor to body instead of recipients (#2796)
 - Allow columns order change per user - drag&drop (#2124)
 - Add References header in read receipt (#2801)
 - Fix database constraint violation when opening a message (#2814)
 - Add 'loading' message while login is in progress (#2790)
 - Fix quota_zero_as_unlimited (#2786)
 - Fix folder subscription checking (#2804)
 - Fix INBOX appears (sometimes) twice in mailbox list (#2794)
 - Fix listing of attachments of some types e.g. "x-epoc/x-sisx-app" (#2779)
 - Fix DB Schema checking when some db_table_* options are not set (#2780)
 
 ## Release 0.4-beta
 
 - Add sizelimit and timelimit variables in LDAP config (#2704)
 - Hide IMAP host dropdown when single host is defined (#2553)
 - Add images pre-loading on login page (#623)
 - Add HTTP_X_REAL_IP and HTTP_X_FORWARDED_FOR to successful logins log (#2634)
 - Fix setting spellcheck languages with extended codes (#2747)
 - Fix messages list scrolling in FF3.6 (#2657)
 - Fix quicksearch input focus (#2770)
 - Always set changed date when flagging a DB record as deleted + provide a cleanup script
 - Fix address book/group selection (#2760)
 - Assign newly created contacts to the active group (#2764)
 - Added option not to mark messages as read when viewed in preview pane (#1513)
 - Allow plugins modify the Sent folder when composing (#2708)
 - Added optional (max_recipients) support to restrict total number of recipients per message (#1167)
 - Re-organize editor buttons, add blockquote and search buttons
 - Make possible to write inside or after a quoted html message (#1878)
 - Fix bugs on unexpected IMAP connection close (#2449, #2507)
 - Iloha's imap.inc rewritten into rcube_imap_generic class
 - Added contact groups in address book (not finished yet)
 - Added PageUp/PageDown/Home/End keys support on lists (#2627)
 - Added possibility to select all messages in a folder (#1312)
 - Added 'imap_force_caps' option for after-login CAPABILITY checking (#2087)
 - Password: Support dovecotpw encryption
 - TinyMCE 3.3.1
 - Implemented messages copying using drag&drop + SHIFT (#863)
 - Improved performance of folders operations (#2689)
 - Fix blocked.gif attachment is not attached to the message (#2685)
 - Managesieve: import from Horde-INGO
 - Managesieve: support for more than one match (#2362)
 - Managesieve: support for selectively disabling rules within a single sieve script (#2198)
 - Threaded message listing now available
 - Added sorting by ARRIVAL and CC
 - Message list columns configurable by the user
 - Removed 'index_sort' option, now we're using empty 'message_sort_col' for this
 - virtuser_query: support other identity data (#2413)
 - Options virtuser_* replaced with virtuser_* plugins
 - Plugin API: Implemented 'email2user' and 'user2email' hooks
 - Fix forwarding message omits CC header (#2538)
 - Add 'default_charset' option to user preferences (#1855)
 - Add 'delete_always' option to user preferences
 - Support/Require tls:// prefix in 'smtp_server' option for TLS connections
 - Fix inconsistent behaviour of 'delete_always' option (#2533)
 - Fix deleting all messages from last list page (#2528)
 - Flag original messages when sending a draft (#2458)
 - Changed signature separator when top-posting (#2555)
 - Let the admin define defaults for search modifiers (#2211)
 - Fix long e-mail addresses validation (#2641)
 - Remember search modifiers in user prefs (#2411)
 - Added force_7bit option to force MIME encoding of plain/text messages (#2679)
 - Use case sensitive check when checking for default folders (#2567)
 - Fix checking for new mail: now checks unseen count of inbox (#2123)
 - Improve performance by avoiding unnecessary updates to the session table (#2552)
 - Fix invalid <font> tags which cause HTML message rendering problems (#2687)
 - Fix CVE-2010-0464: Disable DNS prefetching (#2639)
 - Fix Received headers to behave better with SpamAssassin (#2682)
 - Password: Make passwords encoding consistent with core, add 'password_charset' global option (#2658)
 - Fix adding contacts SQL error on mysql (#2645)
 - Squirrelmail_usercopy: support reply-to field (#2678)
 - Fix IE spellcheck suggestion popup issue (#2656)
 - Fix email address auto-completion shows regexp pattern (#2498)
 - Fix merging of configuration parameters: user prefs always survive (#2584)
 - Fix quota indicator value after folder purge/expunge (#2671)
 - Fix external mailto links support for use as protocol handler (#2328)
 - Fix attachment excessive memory use, support messages of any size (#1245)
 - Fix setting task name according to auth state
 - Password: fix vpopmaild driver (#2662)
 - Add workaround for MySQL bug [http://bugs.mysql.com/bug.php?id=46293] (#2659)
 - Fix quoted text wrapping when replying to an HTML email in plain text (#897)
 - Fix handling of extended mailto links (with params) (#2573)
 - Fix sorting by date of messages without date header on servers without SORT (#2521)
 - Fix inconsistency when not using default table names (#2652)
 - Fix folder rename/delete buttons do not appear on creation of first folder (#2653)
 - Fix character set conversion fails on systems where iconv doesn't accept //IGNORE (#2590)
 - Log in performance: Create default folders on first login only
 - Import contacts into the selected address book (by Phil Weir)
 - Add support for MDB2's 'sqlsrv' driver (#2602)
 - Use jQuery-1.4
 - Removed problematic browser-caching of messages
 - Fix incompatibility with suhosin.executor.disable_emodifier (#2549)
 - Use PLAIN auth when CRAM fails and imap_auth_type='check' (#2587)
 - Fix removal of <title> tag from HTML messages (#2629)
 - Fix 'force_https' to specified port when URL contains a port number (#2612)
 - Fix to-text converting of HTML entities inside b/strong/th/hX tags (#2621)
 - Bug in spellchecker suggestions when server charset != UTF8 (#2607)
 - Managesieve: Fix requires generation for multiple actions (#2603)
 - Fix LDAP problem with special characters in RDN (#2548)
 - Improved handling of message parts of type message/rfc822
 - Plugin API: added 'quota' hook
 - Fix parsing conditional comments in HTML messages (#2569)
 - Use built-in json_encode() for proper JSON format in AJAX replies
 - Allow setting only selected params in 'message_compose' hook (#2543)
 - Plugin API: added 'message_compose_body' hook (#2520)
 - Fix counters of all folders are checked in 'getunread' action  with check_all_folders disabled (#2399)
 - Fix displaying alternative parts in messages of type message/rfc822 (#2488)
 - Fix possible messages exposure when using Roundcube behind a proxy (#2516)
 - Fix unicode para and line separators in javascript response (#2542)
 - Additional_message_headers: allow unsetting headers, support plugin's config file (#2505)
 - Fix displaying of hidden directories in skins list (#2535)
 - Fix open_basedir restriction error when reading skins list (#2537)
 - Fix pasting from Office apps into html editor (#2508)
 - Fix empty <a> tags parsing (#2509)
 - Don't cut off attachment names when using non-RFC2231 encoding (#1912)
 - Allow inserting signatures above replied message body (#991)
 - Managesieve 2.0: multi-script support
 - Fix imap_auth_type regression (#2502)
 
 ## Release 0.3.1
 
 - Specify toolbar container in compose template (#2489)
 - Fix $_SERVER['HTTPS'] check for SSL forcing on IIS (#2486)
 - Avoid unnecessary page loads for selected tab (#2324)
 - Fix quota indicator issues by content generation on client-size (#2454, #2470)
 - Don't display disabled sections in Settings (#2380)
 - Added server-side e-mail address validation with 'email_dns_check' option (#2175)
 - Fix login page loading into an iframe when session expires (#2253)
 - Allow setting port number in 'force_https' option (#2373)
 - Option 'force_https' replaced by 'force_https' plugin
 - Fix IE issue with non-UTF-8 characters in AJAX response (#2422)
 - Partially fixed "empty body" issue by showing raw body of malformed message (#2427)
 - Fix importing/sending to email address with whitespace (#2467)
 - Added XIMSS (CommuniGate) driver for Password plugin
 - Fix newly attached files are not saved in drafts w/o editing any text (#2457)
 - Added attachment upload indicator with parallel upload (#2344)
 - Use default_charset for bodies of messages without charset definition (#2446)
 - Password: added cPanel driver
 - Fix return to first page from e-mail screen (#2385)
 - Fix handling HTML comments in HTML messages (#2448)
 - Fix folder/messagelist controls alignment - icons used (#2356)
 - Fix LDAP addressbook shows 'Contact not found' error sometimes (#2438)
 - Fix cache status checking + improve cache operations performance (#2384)
 - Prevent from setting INBOX as any of special folders (#2390)
 - Fix regular expression for e-mail address (#2417)
 - Fix Received header format
 - Implemented sorting by message index - added 'index_sort' option (#2240)
 - Fix dl() use in installer (#2415)
 - Added 'ldap_debug' option
 - Fix "Empty startup greeting" bug (#2369)
 - Fix setting user name in 'new_user_identity' plugin (#2405)
 - Fix incorrect count of new messages in folder list when using multiple IMAP clients (#2289)
 - Fix all folders checking for new messages with disabled caching (#2399)
 - Support skins in 'archive' and 'markasjunk' plugins
 - Added 'html_editor' hook (#2353)
 - Fix DB constraint violation when populating messages cache (#2338)
 - Password: added password strength options (#2348)
 - Fix LDAP partial result warning (#1928)
 - Fix delete in message view deletes permanently with flag_for_deletion=true (#2382)
 - Use faster/secure mt_rand() (#2376)
 - Fix roundcube hangs on empty inbox with bincimapd (#2375)
 - Fix wrong headers for IE on servers without $_SERVER['HTTPS'] (#2232)
 - Force IE style headers for attachments in non-HTTPS session, 'use_https' option (#2023)
 - Check 'post_max_size' for upload max filesize (#2372)
 - Password Plugin: Fix %d inserts username instead of domain (#2371)
 - Fix rcube_mdb2::affected_rows() (#2366)
 
 ## Release 0.3-stable
 
 - Fix gn and givenName should be synonymous in LDAP addressbook (#2208)
 - Add mail_domain to LDAP email entries without @ sign (#1652)
 - Fix saving empty values in LDAP contact data (#2113)
 - Fix LDAP contact update when RDN field is changed (#2119)
 - Fix LDAP attributes case sensitivity problems (#2155)
 - Fix LDAP addressbook browsing when only one directory is used (#2314)
 - Fix endless loop on error response for APPEND command (#2346)
 - Don't require date.timezone setting in installer (#2284)
 - Fix date sorting problem with Courier IMAP server (#2351)
 - Unselect pressed buttons on mouse up (#2283)
 - Don't set php_value error_log in .htaccess but mention in INSTALL (#2230)
 - Fix too small status/flag/attachment columns in Safari 4 (#2349)
 - Fix selection disabling while dragging splitter in webkit browsers (#2342)
 - Added 'new_messages' plugin hook (#2298)
 - Added 'logout_after' plugin hook (#2333)
 - Added 'message_compose' hook
 - Added 'imap_connect' hook (#2256)
 - Fix vcard_attachments plugin (#2326)
 - Updated PEAR::Auth_SASL to 1.0.3 version
 - Use sequence names only with PostgreSQL (#2310)
 - Re-designed User Preferences interface
 - Fix MS SQL DDL (#2312)
 - Fix rcube_mdb2.php: call to setCharset not implemented in mssql driver (#2311)
 - Added 'display_next' option
 - Fix rcube_mdb2::unixtimestamp for MS SQL (#2308)
 - Fix HTML washing to respect character encoding
 - Fix endless loop in iil_C_Login() with Courier IMAP (#2303)
 - Fix #messagemenu display on IE (#2299)
 - Speedup UI by using sprites for (toolbar) buttons
 - Fix charset names with X- prefix handling
 - Fix displaying of HTML messages with unknown/malformed tags (#2296)
 
 ## Release 0.3-RC1
 
 - Fix import of vCard entries with params (#1857)
 - Fix HTML messages output with empty block elements (#2271)
 - Use request tokens to protect POST requests from CSRF [CVE-2009-4076, CVE-2009-4077]
 - Added hook when killing a session
 - Added hook to write_log function (#2268)
 - Performance improvements by use UID commands (#2046)
 - Fix HTML editor tabIndex setting (#2269)
 - Added 'imap_debug' and 'smtp_debug' options
 - Support strftime's format modifiers in date_* options (#1354)
 - Support %h variable in 'smtp_server' option (#2101)
 - Show SMTP errors in browser (#2233)
 - Allow WBR tag in HTML message (#2259)
 - Use spl_autoload_register() instead of __autoload (#2250)
 - Add hook for identities listing (#2257)
 - Trigger hook 'smtp_connect' when opening an SMTP connection (#2255)
 - Added config option to enforce HTTPS connections
 - Fix non-unicode characters caching in unicode database (#1209)
 - Performance improvements of messages caching
 - Fix empty Date header issue (#2229)
 - Open collapsed folders during drag & drop (#2221)
 - Fixed link text replacements (#2120)
 - Also trigger 'insertrow' events on page load (#2151)
 - No link on subject in IE browsers (#1438)
 - Fixed filename encoding according to RFC2231 (#2192)
 - Added message Edit feature (#727, #1101)
 - Fix message Etag generation for counter issues (#1996)
 - Fix messages searching on MailEnable IMAP (#2097)
 - Fixed many 'skip_deleted' issues (#2006)
 - Fixed messages list sorting on servers without SORT capability
 - Colorized signatures in plain text messages
 - Reviewed/fixed skip_deleted/read_when_deleted/flag_for_deletion options handling in UI
 - Fix displaying of big maximum upload filesize (#2205)
 - Added possibility to invert messages selection
 - After move/delete from 'show' action display next message instead of messages list (#2203)
 - Fixed problem with double quote at the end of folder name (#2200)
 - Speedup UI by using CSS sprites and etags/expires/deflate in Apache config (#1397,#2128)
 - Support UID EXPUNGE: remove only moved/deleted messages
 - Add drag cancelling with ESC key (#1036)
 - Support initial identity name from virtuser_query (#807)
 - Added message menu, removed Print and Source buttons
 - Added possibility to save message as .eml file (#2178)
 - Added 1 minute interval in autosave options (#2173)
 - Support UTF-7 encoding in messages (#2156)
 - Better support for malformed character names (#2093)
 
 ## Release 0.3-BETA
 
 - Plugin API + jQuery engine
 - Added possibility to encrypt received header, option 'http_received_header_encrypt',
   added some more logic in encrypt/decrypt functions for security
 - Fix Answered/Forwarded flag setting for messages in subfolders
 - Fix autocomplete problem with capital letters (#2122)
 - Support UUencode content encoding (#2163)
 - Minimize chance of race condition in session handling (#1260)
 - Fix session handling on non-session SQL query error (#2078)
 - Fix html editor mode setting when reopening draft message (#2158)
 - Added quick search box menu (#1010)
 - Fix wrong column sort order icons (#2149)
 - Updated TinyMCE to 3.2.3 version
 - Fix attachment names encoding when charset isn't specified in attachment part (#1483)
 - Fix message normal priority problem (#2146)
 - Fix autocomplete spinning wheel does not disappear (#2132)
 - Added log_date_format option (#2060)
 - Fix text wrapping in HTML editor after switching from plain text to HTML (#1917)
 - Fix auto-complete function hangs with plus sign (#2141)
 - Fix AJAX requests errors handler (#1503)
 - Speed up message list displaying on IE
 - Fix read/write database recognition (#2137)
 
 ## Release 0.2.2
 
 - Fix quicksearchbox look in Chrome and Konqueror (#1380)
 - Fix UTF-8 byte-order mark removing (#1911)
 - Fix folders subscriptions on Konqueror (#1380)
 - Fix debug console on Konqueror and Safari
 - Fix messagelist focus issue when modifying status of selected messages (#2134)
 - Support STARTTLS in IMAP connection (#1714)
 - Fix DEL key problem in search boxes (#1923)
 - Support several e-mail addresses per user from virtuser_file (#2036)
 - Fix drag&drop with scrolling on IE (#2117)
 - Fix adding signature separator in html mode (#1768)
 - Fix opening attachment marks message as read (#2131)
 - Fix 'temp_dir' does not support relative path under Windows (#1157)
 - Fix "Initialize Database" button missing from installer (#2130)
 - Fix compose window doesn't fit 1024x768 window (#1807)
 - Fix service not available error when pressing back from compose dialog (#1942)
 - Fix using mail() on Windows (#2111)
 - Fix word wrapping in message-part's <PRE>s for printing (#2118)
 - Fix incorrect word wrapping in outgoing plaintext multibyte messages (#2062)
 - Fix double footer in HTML message with embedded images
 - Fix TNEF implementation bug (#2107)
 - Fix incorrect row id parsing for LDAP contacts list (#2116)
 - Fix 'mode' parameter in sqlite DSN (#2106)
 
 ## Release 0.2.1
 
 - Use US-ASCII as failover when Unicode searching fails (#2097)
 - Fix errors handling in IMAP command continuations (#2097)
 - Fix FETCH result parsing for servers returning flags at the end of result (#2098)
 - Fix datetime columns defaults in mysql's DDL (#2012)
 - Fix attaching more than nine inline images (#2094)
 - Support 'UNICODE-1-1-UTF-7' alias for UTF-7 encoding (#2093)
 - Fix mime-type detection using a hard-coded map (#1735)
 - Don't return empty string if charset conversion failed (#2092)
 - Disable concurrent autocomplete query results display (#2082)
 - Fix new lines stripped from message footer (#2088)
 - Fix IE problem with mouse click autocomplete (#2080)
 - Fix html body washing on reply/forward + fix attachments handling (#2034)
 - Fix multiple recipients input parsing (#2077)
 - Fix replying to message with html attachment (#2034)
 - Use default_charset for messages without specified charset (#2027, #1484961)
 - Support non-standard "GMT-XXXX" literal in date header (#2074)
 - Added TNEF support to decode MS Outlook attachments (winmail.dat)
 - Fix "value continuation" MIME headers by adding required semicolon (#2073)
 - Fix pressing select all/unread multiple times (#2069)
 - Fix selecting all unread does not honor new messages (#2070)
 - Fix some base64 encoded attachments handling (#2071)
 - Support NGINX as IMAP backend: better BAD response handling (#2066)
 - Performance fix: don't fetch attachment parts headers twice to parse filename
 - Fix checking for recent messages on various IMAP servers (#2055)
 - Performance fix: Don't fetch quota and recent messages in "message view" mode
 - Fix displaying of alternative-inside-alternative messages (#2061)
 - Fix MDNSent flag checking, use arbitrary keywords (asterisk) flag (#2059)
 - Fix creation of folders with '&' sign in name
 - Fix parsing of email addresses without angle brackets (#2048)
 - Save spellcheck corrections when switching from plain to html editor (and spellchecking is on)
 - Fix large search results on server without SORT capability (#2031)
 - Get rid of preg_replace() with eval modifier and create_function usage (#2042)
 - Bring back <base> and <link> tags in HTML messages
 - Fix XSS vulnerability through background attributes [CVE-2009-0413]
 - Fix problems with backslash as IMAP hierarchy delimiter (#1116)
 - Secure vcard export by getting rid of preg's 'e' modifier use (#2045)
 - Fix authentication when submitting form with existing session (#2037)
 - Allow absolute URLs to images in HTML messages/sigs (#2029)
 - Fix message body which contains both inline attachments and emotions
 - Fix SQL query execution errors handling in rcube_mdb2 class (#1907)
 - Fix address names with '@' sign handling (#2022)
 - Improve messages display performance
 - Fix messages searching with 'to:' modifier
 
 ## Release 0.2-STABLE
 
 - Fix mark popup in IE 7 (#1785)
 - Fix line-break issue when copy & paste in Firefox (#1832)
 - Fix autocomplete "unknown server error" (#2008)
 - Fix STARTTLS before AUTH in SMTP connection (#1415)
 - Support multiple quota values in QUOTAROOT response (#1999)
 - Only abbreviate file name for IE < 7 browsers (#1548)
 - Performance: allow setting imap root dir and delimiter before connect (#1628)
 - Fix sorting of folders with more than 2 levels (#1953)
 - Fix search results page jumps in LDAP addressbook (#1689)
 - Fix empty line before the signature in IE (#1769)
 - Fix horizontal scrollbar in preview pane on IE (#1228)
 - Add Robots meta tag in login page and installer (#1385)
 - Added 'show_images' option, removed 'addrbook_show_images' (#1977)
 - Option to check for new mails in all folders (#1053)
 - Don't set client busy when checking for new messages (#1706)
 - Allow UTF-8 folder names in config (#1960)
 - Add junk_mbox option configuration in installer (#1960)
 - Do serverside addressbook queries for autocompletion (#1925)
 - Allow setting attachment col position in 'list_cols' option
 - Allow override 'list_cols' via skin (#1958)
 - Fix 'cache' table cleanup on session destroy (#1913)
 - Increase speed of session destroy and garbage clean up
 - Fix session timeout when DB server got clock skew (#1890)
 - Fix handling of some malformed messages (#1099)
 - Speed up raw message body handling
 - Better HTML entities conversion in html2text (#1916)
 - Fix big memory consumption and speed up searching on servers without SORT capability
 - Fix setting locale to tr_TR, ku and az_AZ (#1872)
 - Use SORT for searching on servers with SORT capability
 - Added message status filter
 - Fix empty file sending (#1801)
 - Improved searching with many criteria (calling one SEARCH command)
 - Fix HTML editor initialization on IE (#1731)
 - Add warning when switching editor mode from html to plain (#1888)
 - Make identities list scrollable (#1930)
 - Fix problem with numeric folder names (#1922)
 - Added BYE response simple support to prevent from endless loops in imap.inc (#777)
 - Fix unread message unintentionally marked as read if read_when_deleted=true (#1819)
 - Remove port number from SERVER_NAME in smtp_helo_host (#1915)
 - Don't send disposition notification receipts for messages marked as 'read' (#1918)
 - Added 'keep_alive' and 'min_keep_alive' options (#1777)
 - Added option 'identities_level', removed 'multiple_identities'
 - Allow deleting identities when multiple_identities=false (#1840)
 - Added option focus_on_new_message (#1789)
 - Fix html2text class autoloading on Windows (#1904)
 - Fix html signature formatting when identity save error occurred (#1833)
 - Add feedback and set busy when moving folder (#1897)
 - Fix 'Empty' link visibility for some languages e.g. Slovak (#1889)
 - Fix messages count bar overlapping (#1703)
 - Fix adding signature in drafts compose mode (#1884)
 - Fix iil_C_Sort() to support very long and/or divided responses (#1713)
 - Fix matching case sensitivity when setting identity on reply (#1881)
 - Prefer default identity on reply
 - Fix imap searching on ISMail server (#1870)
 - Add css class for flagged messages (#1868)
 - Write username instead of id in sendmail log (#1879)
 - Fix htmlspecialchars() use for PHP version < 5.2.3 (#1877)
 - Fix js keywords escaping in json_serialize() for IE/Opera (#1874)
 - Added bin/killcache.php script (#1839)
 - Add support for SJIS, GB2312, BIG5 in rc_detect_encoding()
 - Fix vCard file encoding detection for non-UTF-8 strings (#1820)
 - Add 'skip_deleted' option in User Preferences (#1850)
 - Minimize "inline" javascript scripts use (#1838)
 - Fix css class setting for folders with names matching defined classes names (#1772)
 - Fix race conditions when changing mailbox
 - Fix spellchecking when switching to html editor (#1779)
 - Fix compose window width/height (#1807)
 - Allow calling msgimport.sh/msgexport.sh from any directory (#1837)
 - Localized filesize units (#1760)
 - Better handling of "no identity" and "no email in identity" situations (#1592)
 - Added 'mime_param_folding' option with possibility to choose long/non-ascii attachment names encoding e.g. to be readable in MS Outlook/OE (#1743)
 - Added "advanced options" feature in User Preferences
 - Fix unread counter when displaying cached massage in preview panel (#1720)
 - Fix htmleditor spellchecking on MS Windows (#1808)
 - Fix problem with non-ascii attachment names in Mail_mime (#1700, #1576)
 - Fix language autodetection (#1812)
 - Fix button label in folders management (#1816)
 - Fix collapsed folder not indicating unread msgs count of all subfolders (#1814)
 - Fix handling of apostrophes in filenames decoded according to rfc2231
 
 ## Release 0.2-BETA
 
 - Made config files location configurable (#1664)
 - Reduced memory footprint when forwarding attachments (#1764)
 - Allow and use spellcheck attribute for input/textarea fields (#1545)
 - Added icons for forwarded/forwarded+replied messages (#1691)
 - Added Reply-To to forwarded emails (#1739)
 - Display progress message for folders create/delete/rename (#1774)
 - Smart Tags and NOBR tag support in html messages (#1780, #1748)
 - Redesign of the identities settings (#836)
 - Add config option to disable creation/deletion of identities (#1139)
 - Added 'sendmail_delay' option to restrict messages sending interval (#1135)
 - Added vertical splitter for folders list resizing
 - Added possibility to view all headers in message view
 - Fixed splitter drag/resize on Opera (#1626)
 - Fixed quota img height/width setting from template (#1396)
 - Refactor drag & drop functionality. Don't rely on browser events anymore (#1108)
 - Insert "virtual" folders in subscription list (#1333)
 - Added link to open message in new window
 - Enable export of address book contacts as vCard
 - Add feature to import contacts from vcard files (#395)
 - Respect Content-Location headers in multipart/related messages according to RFC2110 (#1464)
 - Allowed max. attachment size now indicated in compose screen (#1523)
 - Also capture backspace key in list mode (#1186)
 - Allow application/pgp parts to be displayed (#1309)
 - Correctly handle options in mailto-links (#1671)
 - Immediately save sort_col/sort_order in user prefs (#1698)
 - Truncate very long (above 50 characters) attachment filenames when displaying
 - Allow to auto-detect client language if none set (#1095)
 - Auto-detect the client timezone (user configurable)
 - Add RFC2231 header value continuations support for attachment filenames + hack for servers that not support that feature
 - Fix Reply-To header displaying (#1738)
 - Mark form buttons that provide the most obvious operation (mainaction)
 - Added option 'quota_zero_as_unlimited' (#1206)
 - Added PRE handling in html2text class (#1301)
 - Added folder hierarchy collapsing
 - Added options to use syslog instead of log file (#1389)
 - Added Logging & Debugging section in Installer
 - Fix In-Reply-To and References headers when composing saved draft message (#1718)
 - Fix html message charset conversion for charsets with underline (#1717)
 - Fix buttons status after contacts deletion (#1675)
 - Fix escaping of To: and From: fields when building message body for reply or forward in the HTML editor (#1432)
 - Use current mailbox name in template (#1690)
 - Better fix for skipping untagged responses (#1694)
 - Added pspell support patch by Kris Steinhoff (#781)
 - Enable spellchecker for HTML editor (#1589)
 - Respect spellcheck_uri in tinyMCE spellchecker (#941)
 - Case insensitive contacts searching using PostgreSQL (#1692)
 - Make default imap folders configurable for each user (#1558)
 - Save outgoing mail to selectable folder (#1324581)
 - Fix hiding of mark menu when clicking th button again (#1463)
 - Use long date format in print mode (#1643)
 - Updated TinyMCE to version 3.1.0.1
 - Re-enable autocomplete attribute for login form (#1661)
 - Check PERMANENTFLAGS before saving $MDNSent flag (#1478, #1485163)
 - Added flag column on messages list (#1220)
 - Patched Mail/MimePart.php (http://pear.php.net/bugs/bug.php?id=14232)
 - Allow trash/junk subfolders to be purged (#1568)
 - Store compose parameters in session and redirect to a unique URL
 - Fixed CRAM-MD5 authentication (#1364)
 - Fixed forwarding messages with one HTML attachment (#1103)
 - Fixed encoding of message/rfc822 attachments and image/pjpeg handling (#1439)
 - Added option to select skin in user preferences
 - Added option to configure displaying of attached images below the message body
 - Added option to display images in messages from known senders (#1204)
 - User preferences grouped in more fieldsets
 - Fix corrupted MIME headers of messages in Sent folder (#1587)
 - Fixed bug in MDB2 package: http://pear.php.net/bugs/bug.php?id=14124
 - Use keypress instead of keydown to select list's row (#1362)
 - Don't call expunge and don't remove message row after message move if flag_for_deletion is set to true (#1505)
 
 ## Release 0.2-ALPHA
 
 - Added option to disable autocompletion from selected LDAP address books (#1445)
 - TLS support in LDAP connections: 'use_tls' property (#1581)
 - Fixed removing messages from search set after deleting them (#1583)
 - imap.inc: Fixed iil_C_FetchStructureString() to handle many
   literal strings in response (#1483)
 - Support for subfolders in default/protected folders (#1250)
 - Disallowed delimiter in folder name (#1351)
 - Support " and \ in folder names
 - Escape \ in login (#1214)
 - Better HTML sanitization with the DOM-based washtml script (#1276)
 - Fixed sorting of folders with non-ascii characters
 - Fixed Mysql DDL for default identities creation (#1554)
 - In Preferences added possibility to configure 'read_when_deleted',
   'mdn_requests', 'flag_for_deletion' options
 - Made IMAP auth type configurable (#683)
 - Fixed empty values with FROM_UNIXTIME() in rcube_mdb2 (#1540)
 - Fixed attachment list on IE 6/7 (#1355)
 - Fixed JavaScript in compose.html that shows cc/bcc fields if populated
 - Make password input fields of type password in installer (#1417)
 - Don't attempt to delete cache entries if enable_caching is FALSE (#1537)
 - Optimized messages sorting on servers without sort capability (#1535)
 - Corrected message headers decoding when charset isn't specified and improved
   support for native languages (#1536, #1534)
 - Expanded LDAP configuration options to support LDAP server writes.
 - Installer: encode special characters in DB username/password (#1529)
 - Fixed management of folders with national characters in names (#1526, #1504)
 - Fixed identities saving when using MDB2 pgsql driver (#1525)
 - Fixed BCC header reset (#1501)
 - Improved messages list performance - patch from Justin Heesemann
 - Append skin_path to images location only when it starts with '/' sign (#1398)
 - Fix IMAP response in message body when message has no body (#1479)
 - Fixed non-RFC dates formatting (#1429)
 - Fixed typo in set_charset() (#1498)
 - Decode entities when inserting HTML signature to plain text message (#1497)
 - HTML editing is now working with PHP5 updates and TinyMCE v3.0.6
 - Fixed signature loading on Windows (#1169)
 - Added language support to HTML editing (#1401)
 - Fixed remove signature when replying (#446)
 - Fixed problem with line with a space at the end (#1440)
 - Fixed `<!DOCTYPE>` tag filtering (#1066)
 - Fixed <?xml> tag filtering (#1075)
 - Added sections (fieldset+label) in Settings interface
 - Mark as read in one action with message preview (#1486)
 - Deleted redundant quota reads (#1486)
 - Added options for empty trash and expunge inbox on logout (#707)
 - Removed lines wrapping when displaying message
 - Fixed month localization
 - Changed codebase to PHP5 with autoloader
 
 ## Release 0.1.1
 
 - Clear selection when selecting single item (#1461)
 - Remove hard-coded image size in skin templates (#1423)
 - Database schema improvements (dropped unnecessary indexes)
 - Fixed creating a new folder with a comma in its name (#1263)
 - Fixed sorting of messages when default mailbox is empty (#1020)
 - Improve message previewpane - less loading (#1019)
 - Fixed login form autocompletion (#1378)
 - Fixed virtuser_query option for mdb2 backend (#1409)
 - Fixed attachment restoring from Drafts when message body was empty (#1144)
 - Fixed usage of ob_gzhandler (#1390)
 - Fixed message part window in IE6 (#1211)
 - Fixed decoding of mime-encoded strings (#938)
 - Fixed some iconv/mb_string problems (#1202)
 - Correctly quote mailbox name when using in URL (#1016)
 - Fixed "headers already sent" errors (#1399)
 
 ## Release 0.1-STABLE
 
 - Added interactive installer script
 - Fix folder adding/renaming inspired by #1349
 - Localize folder name in page title (#1338)
 - Fix code using wrong variable name (#818)
 - Allow to send mail with BCC recipients only
 - condense TinyMCE toolbar down to one line, removing table buttons (#1306)
 - Add function to mark the selected messages as read/unread (#641)
 - Also do charset decoding as suggested in RFC 2231 (fix #1022)
 - Show message count in folder list and hint when creating a subfolder
 - Distinguish ssl and tls for imap connections (#1252)
 - Added some charset aliases to fix typical mis-labelling (#1185)
 - Remember decision to display images for a certain message during session (#1310)
 - Truncate attachment filenames to 55 characters due to an IE bug (#1313)
 - Make sending of read receipts configurable
 - Respect config when localize folder names (#1280)
 - Also respect receipt and priority settings when re-opening a draft message
 - Remember search results (closes #722), patch by the_glu
 - Add Received header on outgoing mail
 - Upgrade to TinyMCE 2.1.3
 - Allow inserting image attachments into HTML messages while composing (#1179)
 - Implement Message-Disposition-Notification (Receipts)
 - Fix overriding of session vars when register_globals is on (#1255)
 - Fix bug with case-sensitive folder names (#973)
 - Don't create default folders by default
 - Fixed some potential security risks (audited by Andris)
 - Only show new messages if they match the current search (#925)
 - Switch to/from when searching in Sent folder (#1177)
 - Correctly read the References header (#1236)
 - Unset old cookie before sending a new value (#1232)
 - Correctly decode attachments when downloading them (#1235 and #1484642)
 - Suppress IE errors when clearing attachments form (#1043)
 - Log error when login fails due to auto_create_user turned off
 - Filter linked/imported CSS files (closes #844)
 - Improve message compose screen (closes #1060)
 - Select next row after removing one from list (#1063)
 
 ## Release 0.1-RC2
 
 - Enable drag-&-dropping of folders to a new parent and allow to create subfolders (#637)
 - Suppress IE errors when clearing attachments form (#1043)
 - Set preferences field in user table to NULL (#1062)
 - Log error when login fails due to auto_create_user turned off
 - Filter linked/imported CSS files (closes #844)
 - Improve message compose screen (closes #1060)
 - Select next row after removing one from list (#1063)
 - Make smtp HELO/EHLO hostname configurable (#851)
 - IPv6 Compatibility (#1023), Patch #1484373
 - Unlock interface when message sending fails (#1188)
 - Eval PHP code in template includes (if configured)
 - Show message when folder is empty. Mo more static text in table (#1068)
 - Only display unread count in page title when new messages arrived
 - Fixed wrong delete button tooltip (#785)
 - Fixed charset encoding bug (#1091)
 - Applied patch for LDAP version (#1175)
 - Improved XHTML validation
 - Fix message list selection (#1174)
 - Better fix lowercased usernames (#1120)
 - Update pngbehavior Script as suggested in #1134
 - Fixed moving/deleting messages when more than 1 is selected
 - Applied patch for LDAP contacts listing by Glen Ogilvie
 - Applied patch for more address fields in LDAP contacts (#1074)
 - Add alternative for getallheaders() (fix #1146)
 - Identify mailboxes case-sensitive
 - Sort mailbox list case-insensitive (closes #1032)
 - Fix display of multipart messages from Apple Mail (closes #823)
 - Protect AJAX request from being fetched by a foreign site (XSS)
 - Make autocomplete for loginform configurable by the skin template
 - Fix compose function from address book (closes #1089)
 - Added //IGNORE to iconv call (patch #1086, closes #821)
 - Check if mbstring supports charset (#1003 and #1004)
 - Prefer iconv over mbstring (as suggested in #1004)
 - Check filesize of template includes (#1079)
 - Fixed bug with buttons not dimming/enabling properly after switching folders
 - Fixed compose window becoming unresponsive after saving a draft (#1132)
 - Re-enabled "Back" button in compose window now that bug #1132 is fixed
 - Fixed unresponsive interface issue when downloading attachments (#1138)
 - Lowered status message time from 5 to 3 seconds to improve responsiveness
 - Raised .htaccess upload_max_filesize from 2M to 5M to differ from default php.ini
 - Increased "mailboxcontrols" mail.css width from 160 to 170px to fix non-english languages (#1140)
 - Fix status message bug #1114 with regard to #1041
 - Fix address adding bug reported by David Koblas
 - Applied socket error patch by Thomas Mangin
 - Pass-by-reference workaround for PHP5 in sendmail.inc
 - Fixed buggy imap_root settings (closes #1056)
 - Prevent default events on subject links (#1071)
 - Use HTTP-POST requests for actions that change state
 
 ## Release 0.1-RC1
 
 - Use global filters and bind username/ for Ldap searches (#909)
 - Hide quota display if imap server does not support it
 - Hide address groups if no LDAP servers configured
 - Add link to message subjects (closes #982)
 - Better SQL query for contact listing/search (closes #1051)
 - Fixed marking as read in preview pane (closes #1048)
 - CSS hack to display attachments correctly in IE6
 - Wrap message body text (closes #901)
 - LDAP access is back in address book (closes #864)
 - Added search function for contacts
 - New Template parsing and output encoding
 - Fixed bugs #884 and #793
 - Fixed message moving procedure (closes #1013)
 - Fixed display of multiple attachments (closes #647)
 - Fixed check for new messages (closes #1015)
 - List attachments without filename
 - New session authentication: Change sessid cookie when login, authentication with sessauth cookie is now configurable.
   Should close bugs #774 and #1484299
 - Correctly translate mailbox names (closes #993)
 - Quote e-mail address links (closes #1007)
 - Updated PEAR::Mail_mime package
 - Accept single quotes for HTML attributes when modifying message body (thanks Jason)
 - Sanitize input for new users/identities (thanks Colin Alston)
 - Don't download HTML message parts
 - Convert HTML parts to plaintext if 'prefer_html' is off
 - Correctly parse message/rfc822 parts (closes #838)
 - Also use user_id for unique key in messages table (closes #857)
 - Hide contacts drop down on blur (closes #946)
 - Make entries in contacts drop down clickable
 - Turn off browser autocompletion on login page
 - Quote <? in text/html message parts
 - Hide border around radio buttons
 - Applied patch for attachment download by crichardson (closes #943)
 - Fixed bug in Postgres DB handling (closes #852)
 - Fixed bug of invalid calls to fetchRow() in rcube_db.inc (closes #996)
 - Fixed array_merge bug (closes #997)
 - Fixed flag for deletion in list view (closes #987)
 - Finally support semicolons as recipient separator (closes ##976)
 - Fixed message headers (subject) encoding
 - check if safe mode is on or not (closes #990)
 - Show "no subject" in message list if subject is missing (closes #971)
 - Solved page caching of message preview (closes #905)
 - Only use gzip compression if configured (closes #967)
 - Fixed priority selector issue (#903)
 - Fixed some CSS issues in default skin (closes #951 and #911)
 - Prevent from double quoting of numeric HTML character references (closes #978)
 - Fixed display of HTML message attachments (closes #927)
 - Applied patch for preview caching (closes #933)
 - Added error handling for attachment uploads
 - Use multibyte safe string functions where necessary (closes #798)
 - Applied security patch to validate the submitted host value (by Kees Cook)
 - Applied security patch to validate input values when deleting contacts (by Kees Cook)
 - Applied security patch that sanitizes emoticon paths when attaching them (by Kees Cook)
 - Applied a patch to more aggressively sanitize a HTML message
 - Visualize blocked images in HTML messages
 - Fixed wrong message listing when showing search results (closes #890)
 - Show remote images when opening HTML message part as attachment
 - Improve memory usage when sending mail (closes #871)
 - Mark messages as read once the preview is loaded (closes #1484132)
 - Include smtp final response in log (closes #862)
 - Corrected date string in sent message header (closes #887)
 - Correctly choose "To" column in sent and draft mailboxes (closes #769)
 - Changed tooltips for message browse buttons (closes #757)
 - Fixed signature delimiter character to be standard (Bug #830)
 - Fixed XSS vulnerability (Bug #877)
 - Remove newlines from mail headers (Bug #827)
 - Selection issues when moving/deleting (Bug #837)
 - Applied patch of Clement Moulin for imap host auto-selection
 - ISO-encode IMAP password for plaintext login (Bugs #792 & #723)
 - Fixed folder name encoding in subscription list (Bug #879)
 - Fixed JS errors in identity list (Bug #885)
 - Translate foldernames in folder form (closes #879)
 - Added first and last buttons to message list, address book
   and message detail
 - Pressing Shift-Del bypasses Trash folder
 - Enable purge command for Junk folder
 - Fetch all aliases if virtuser_query is used instead
 - Re-enabled multi select of contacts (Bug #817)
 - Enable contact editing right after creation (Bug #644)
 - Correct UTF-7 to UTF-8 conversion if mbstring is not available
 - Fixed IMAP fetch of message body (Bug #819)
 - Fixed safe_mode problems (Bug #539)
 - Fixed wrong header encoding (Bug #1483976)
 - Made automatic draft saving configurable
 - Fixed JS bug when renaming folders (Bug #799)
 - Added quota display as image (by Brett Patterson)
 - Corrected creation of a message-id
 - New indentation for quoted message text
 - Improved HTML validity
 - Fixed URL character set (Ticket #616)
 - Fixed saving of contact into MySQL from LDAP query results (Ticket #681)
 - Fixed folder renaming: unsubscribe before rename (Bug #750)
 - Finalized new message parsing (+ caching)
 - Fixed wrong usage of mbstring (Bug #645)
 - Set default spelling language (Ticket #764)
 - Added support for Nox Spell Server
 - Re-built message parsing (Bug #422)
   Now based on the message structure delivered by the IMAP server.
 - Fixed some XSS and SQL injection issues
 - Fixed charset problems with folder renaming
diff --git a/config/defaults.inc.php b/config/defaults.inc.php
index b25b419bf..ae1d1862d 100644
--- a/config/defaults.inc.php
+++ b/config/defaults.inc.php
@@ -1,1457 +1,1457 @@
 <?php
 
 // ---------------------------------------------------------------------
 // WARNING: Do not edit this file! Copy configuration to config.inc.php.
 // ---------------------------------------------------------------------
 
 /*
  +-----------------------------------------------------------------------+
  | Default settings for all configuration options                        |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) The Roundcube Dev Team                                  |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
  | See the README file for a full license statement.                     |
  +-----------------------------------------------------------------------+
 */
 
 $config = [];
 
 // ----------------------------------
 // SQL DATABASE
 // ----------------------------------
 
 // Database connection string (DSN) for read+write operations
 // Format (compatible with PEAR MDB2): db_provider://user:password@host/database
 // Currently supported db_providers: mysql, pgsql, sqlite, mssql, sqlsrv, oracle
 // For examples see http://pear.php.net/manual/en/package.database.mdb2.intro-dsn.php
 // Note: for SQLite use absolute path (Linux): 'sqlite:////full/path/to/sqlite.db?mode=0646'
 //       or (Windows): 'sqlite:///C:/full/path/to/sqlite.db'
 // Note: Various drivers support various additional arguments for connection,
 //       for Mysql: key, cipher, cert, capath, ca, verify_server_cert,
 //       for Postgres: application_name, sslmode, sslcert, sslkey, sslrootcert, sslcrl, sslcompression, service.
 //       e.g. 'mysql://roundcube:@localhost/roundcubemail?verify_server_cert=false'
 $config['db_dsnw'] = 'mysql://roundcube:@localhost/roundcubemail';
 
 // Database DSN for read-only operations (if empty write database will be used)
 // useful for database replication
 $config['db_dsnr'] = '';
 
 // Disable the use of already established dsnw connections for subsequent reads
 $config['db_dsnw_noread'] = false;
 
 // use persistent db-connections
 // beware this will not "always" work as expected
 // see: http://www.php.net/manual/en/features.persistent-connections.php
 $config['db_persistent'] = false;
 
 // you can define specific table (and sequence) names prefix
 $config['db_prefix'] = '';
 
 // Mapping of table names and connections to use for ALL operations.
 // This can be used in a setup with replicated databases and a DB master
 // where read/write access to cache tables should not go to master.
 $config['db_table_dsn'] = [
 //    'cache' => 'r',
 //    'cache_index' => 'r',
 //    'cache_thread' => 'r',
 //    'cache_messages' => 'r',
 ];
 
 // It is possible to specify database variable values e.g. some limits here.
 // Use them if your server is not MySQL or for better performance.
 // For example Roundcube uses max_allowed_packet value (in bytes)
 // which limits query size for database cache operations.
 $config['db_max_allowed_packet'] = null;
 
 
 // ----------------------------------
 // LOGGING/DEBUGGING
 // ----------------------------------
 
 // log driver:  'syslog', 'stdout' or 'file'.
 $config['log_driver'] = 'file';
 
 // date format for log entries
 // (read http://php.net/manual/en/function.date.php for all format characters)
 $config['log_date_format'] = 'd-M-Y H:i:s O';
 
 // length of the session ID to prepend each log line with
 // set to 0 to avoid session IDs being logged.
 $config['log_session_id'] = 8;
 
 // Default extension used for log file name
 $config['log_file_ext'] = '.log';
 
 // Syslog ident string to use, if using the 'syslog' log driver.
 $config['syslog_id'] = 'roundcube';
 
 // Syslog facility to use, if using the 'syslog' log driver.
 // For possible values see installer or http://php.net/manual/en/function.openlog.php
 $config['syslog_facility'] = LOG_USER;
 
 // Activate this option if logs should be written to per-user directories.
 // Data will only be logged if a directory <log_dir>/<username>/ exists and is writable.
 $config['per_user_logging'] = false;
 
 // Log sent messages to <log_dir>/sendmail.log or to syslog
 $config['smtp_log'] = true;
 
 // Log successful/failed logins to <log_dir>/userlogins.log or to syslog
 $config['log_logins'] = false;
 
 // Log session debug information/authentication errors to <log_dir>/session.log or to syslog
 $config['session_debug'] = false;
 
 // Log SQL queries to <log_dir>/sql.log or to syslog
 $config['sql_debug'] = false;
 
 // Log IMAP conversation to <log_dir>/imap.log or to syslog
 $config['imap_debug'] = false;
 
 // Log LDAP conversation to <log_dir>/ldap.log or to syslog
 $config['ldap_debug'] = false;
 
 // Log SMTP conversation to <log_dir>/smtp.log or to syslog
 $config['smtp_debug'] = false;
 
 // Log Memcache conversation to <log_dir>/memcache.log or to syslog
 $config['memcache_debug'] = false;
 
 // Log APC conversation to <log_dir>/apc.log or to syslog
 $config['apc_debug'] = false;
 
 // Log Redis conversation to <log_dir>/redis.log or to syslog
 $config['redis_debug'] = false;
 
 
 // ----------------------------------
 // IMAP
 // ----------------------------------
 
 // The IMAP host chosen to perform the log-in.
 // Leave blank to show a textbox at login, give a list of hosts
 // to display a pulldown menu or set one host as string.
 // Enter hostname with prefix ssl:// to use Implicit TLS, or use
 // prefix tls:// to use STARTTLS.
 // Supported replacement variables:
 // %n - hostname ($_SERVER['SERVER_NAME'])
 // %t - hostname without the first part
 // %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
 // %s - domain name after the '@' from e-mail address provided at login screen
 // For example %n = mail.domain.tld, %t = domain.tld
 // WARNING: After hostname change update of mail_host column in users table is
 //          required to match old user data records with the new host.
 $config['default_host'] = 'localhost';
 
 // TCP port used for IMAP connections
 $config['default_port'] = 143;
 
 // IMAP authentication method (DIGEST-MD5, CRAM-MD5, LOGIN, PLAIN or null).
 // Use 'IMAP' to authenticate with IMAP LOGIN command.
 // By default the most secure method (from supported) will be selected.
 $config['imap_auth_type'] = null;
 
 // IMAP socket context options
 // See http://php.net/manual/en/context.ssl.php
 // The example below enables server certificate validation
 //
 // proxy_protocol is used to inject HAproxy style headers in the TCP stream
 // See http://www.haproxy.org/download/1.6/doc/proxy-protocol.txt
 // WARNING: Please note this is currently incompatible with implicit ssl,
 // since the proxy protocol preamble is expected before the ssl handshake.
 //$config['imap_conn_options'] = [
-//  'ssl'         => [
-//     'verify_peer'  => true,
-//     'verify_depth' => 3,
-//     'cafile'       => '/etc/openssl/certs/ca.crt',
-//   ],
-//  'proxy_protocol' => 1 | 2 | [ // required (either version number (1|2) or array with 'version' key)
-//       'version'       => 1 | 2, // required, if array
-//       'remote_addr'   => $_SERVER['REMOTE_ADDR'],
-//       'remote_port'   => $_SERVER['REMOTE_PORT'],
-//       'local_addr'    => $_SERVER['SERVER_ADDR'],
-//       'local_port'    => $_SERVER['SERVER_PORT'],
-//   ],
-// ];
+//    'ssl' => [
+//        'verify_peer'  => true,
+//        'verify_depth' => 3,
+//        'cafile'       => '/etc/openssl/certs/ca.crt',
+//    ],
+//    'proxy_protocol' => 1 | 2 | [ // required (either version number (1|2) or array with 'version' key)
+//        'version'       => 1 | 2, // required, if array
+//        'remote_addr'   => $_SERVER['REMOTE_ADDR'], // optional
+//        'remote_port'   => $_SERVER['REMOTE_PORT'], // optional
+//        'local_addr'    => $_SERVER['SERVER_ADDR'], // optional
+//        'local_port'    => $_SERVER['SERVER_PORT'], // optional
+//    ],
+//];
 // Note: These can be also specified as an array of options indexed by hostname
 $config['imap_conn_options'] = null;
 
 // IMAP connection timeout, in seconds. Default: 0 (use default_socket_timeout)
 $config['imap_timeout'] = 0;
 
 // Optional IMAP authentication identifier to be used as authorization proxy
 $config['imap_auth_cid'] = null;
 
 // Optional IMAP authentication password to be used for imap_auth_cid
 $config['imap_auth_pw'] = null;
 
 // If you know your imap's folder delimiter, you can specify it here.
 // Otherwise it will be determined automatically
 $config['imap_delimiter'] = null;
 
 // If you know your imap's folder vendor, you can specify it here.
 // Otherwise it will be determined automatically. Use lower-case
 // identifiers, e.g. 'dovecot', 'cyrus', 'gimap', 'hmail', 'uw-imap'.
 $config['imap_vendor'] = null;
 
 // If IMAP server doesn't support NAMESPACE extension, but you're
 // using shared folders or personal root folder is non-empty, you'll need to
 // set these options. All can be strings or arrays of strings.
 // Note: Folders need to be ended with directory separator, e.g. "INBOX."
 //       (special directory "~" is an exception to this rule)
 // Note: These can be used also to overwrite server's namespaces
 // Note: Set these to FALSE to disable access to specified namespace
 $config['imap_ns_personal'] = null;
 $config['imap_ns_other']    = null;
 $config['imap_ns_shared']   = null;
 
 // By default IMAP capabilities are read after connection to IMAP server
 // In some cases, e.g. when using IMAP proxy, there's a need to refresh the list
 // after login. Set to True if you've got this case.
 $config['imap_force_caps'] = false;
 
 // By default list of subscribed folders is determined using LIST-EXTENDED
 // extension if available. Some servers (dovecot 1.x) returns wrong results
 // for shared namespaces in this case. https://github.com/roundcube/roundcubemail/issues/2474
 // Enable this option to force LSUB command usage instead.
 // Deprecated: Use imap_disabled_caps = ['LIST-EXTENDED']
 $config['imap_force_lsub'] = false;
 
 // Some server configurations (e.g. Courier) doesn't list folders in all namespaces
 // Enable this option to force listing of folders in all namespaces
 $config['imap_force_ns'] = false;
 
 // Some servers return hidden folders (name starting with a dot)
 // from user home directory. IMAP RFC does not forbid that.
 // Enable this option to hide them and disable possibility to create such.
 $config['imap_skip_hidden_folders'] = false;
 
 // Some servers do not support folders with both folders and messages inside
 // If your server supports that use true, if it does not, use false.
 // By default it will be determined automatically (once per user session).
 $config['imap_dual_use_folders'] = null;
 
 // List of disabled imap extensions.
 // Use if your IMAP server has broken implementation of some feature
 // and you can't remove it from CAPABILITY string on server-side.
 // For example UW-IMAP server has broken ESEARCH.
 // Note: Because the list is cached, re-login is required after change.
 $config['imap_disabled_caps'] = [];
 
 // Log IMAP session identifiers after each IMAP login.
 // This is used to relate IMAP session with Roundcube user sessions
 $config['imap_log_session'] = false;
 
 // Type of IMAP indexes cache. Supported values: 'db', 'apc' and 'memcache' or 'memcached'.
 $config['imap_cache'] = null;
 
 // Enables messages cache. Only 'db' cache is supported.
 // This requires an IMAP server that supports QRESYNC and CONDSTORE
 // extensions (RFC7162). See synchronize() in program/lib/Roundcube/rcube_imap_cache.php
 // for further info, or if you experience syncing problems.
 $config['messages_cache'] = false;
 
 // Lifetime of IMAP indexes cache. Possible units: s, m, h, d, w
 $config['imap_cache_ttl'] = '10d';
 
 // Lifetime of messages cache. Possible units: s, m, h, d, w
 $config['messages_cache_ttl'] = '10d';
 
 // Maximum cached message size in kilobytes.
 // Note: On MySQL this should be less than (max_allowed_packet - 30%)
 $config['messages_cache_threshold'] = 50;
 
 
 // ----------------------------------
 // SMTP
 // ----------------------------------
 
 // SMTP server host (for sending mails).
 // Enter hostname with prefix ssl:// to use Implicit TLS, or use
 // prefix tls:// to use STARTTLS.
 // Supported replacement variables:
 // %h - user's IMAP hostname
 // %n - hostname ($_SERVER['SERVER_NAME'])
 // %t - hostname without the first part
 // %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
 // %z - IMAP domain (IMAP hostname without the first part)
 // For example %n = mail.domain.tld, %t = domain.tld
 // To specify different SMTP servers for different IMAP hosts provide an array
 // of IMAP host (no prefix or port) and SMTP server e.g. ['imap.example.com' => 'smtp.example.net']
 $config['smtp_server'] = 'localhost';
 
 // SMTP port. Use 25 for cleartext, 465 for Implicit TLS, or 587 for STARTTLS (default)
 $config['smtp_port'] = 587;
 
 // SMTP username (if required) if you use %u as the username Roundcube
 // will use the current username for login
 $config['smtp_user'] = '%u';
 
 // SMTP password (if required) if you use %p as the password Roundcube
 // will use the current user's password for login
 $config['smtp_pass'] = '%p';
 
 // SMTP AUTH type (DIGEST-MD5, CRAM-MD5, LOGIN, PLAIN or empty to use
 // best server supported one)
 $config['smtp_auth_type'] = null;
 
 // Optional SMTP authentication identifier to be used as authorization proxy
 $config['smtp_auth_cid'] = null;
 
 // Optional SMTP authentication password to be used for smtp_auth_cid
 $config['smtp_auth_pw'] = null;
 
 // Pass the username (XCLIENT LOGIN) to the server
 $config['smtp_xclient_login'] = false;
 
 // Pass the remote IP (XCLIENT ADDR) to the server
 $config['smtp_xclient_addr'] = false;
 
 
 // SMTP HELO host
 // Hostname to give to the remote server for SMTP 'HELO' or 'EHLO' messages
 // Leave this blank and you will get the server variable 'server_name' or
 // localhost if that isn't defined.
 $config['smtp_helo_host'] = '';
 
 // SMTP connection timeout, in seconds. Default: 0 (use default_socket_timeout)
 // Note: There's a known issue where using ssl connection with
 // timeout > 0 causes connection errors (https://bugs.php.net/bug.php?id=54511)
 $config['smtp_timeout'] = 0;
 
 // SMTP socket context options
 // See http://php.net/manual/en/context.ssl.php
 // The example below enables server certificate validation, and
 // requires 'smtp_timeout' to be non zero.
 // $config['smtp_conn_options'] = [
 //   'ssl'         => [
 //     'verify_peer'  => true,
 //     'verify_depth' => 3,
 //     'cafile'       => '/etc/openssl/certs/ca.crt',
 //   ],
 // ];
 // Note: These can be also specified as an array of options indexed by hostname
 $config['smtp_conn_options'] = null;
 
 
 // ----------------------------------
 // OAuth
 // ----------------------------------
 
 // Enable OAuth2 by defining a provider. Use 'generic' here
 $config['oauth_provider'] = null;
 
 // Provider name to be displayed on the login button
 $config['oauth_provider_name'] = 'Google';
 
 // Mandatory: OAuth client ID for your Roundcube installation
 $config['oauth_client_id'] = null;
 
 // Mandatory: OAuth client secret
 $config['oauth_client_secret'] = null;
 
 // Mandatory: URI for OAuth user authentication (redirect)
 $config['oauth_auth_uri'] = null;
 
 // Mandatory: Endpoint for OAuth authentication requests (server-to-server)
 $config['oauth_token_uri'] = null;
 
 // Optional: Endpoint to query user identity if not provided in auth response
 $config['oauth_identity_uri'] = null;
 
 // Optional: disable SSL certificate check on HTTP requests to OAuth server
 // See http://docs.guzzlephp.org/en/stable/request-options.html#verify for possible values
 $config['oauth_verify_peer'] = true;
 
 // Mandatory: OAuth scopes to request (space-separated string)
 $config['oauth_scope'] = null;
 
 // Optional: additional query parameters to send with login request (hash array)
 $config['oauth_auth_parameters'] = [];
 
 // Optional: array of field names used to resolve the username within the identity information
 $config['oauth_identity_fields'] = null;
 
 // Boolean: automatically redirect to OAuth login when opening Roundcube without a valid session
 $config['oauth_login_redirect'] = false;
 
 ///// Example config for Gmail
 
 // Register your service at https://console.developers.google.com/
 // - use https://<your-roundcube-url>/index.php/login/oauth as redirect URL
 
 // $config['default_host'] = 'ssl://imap.gmail.com';
 // $config['oauth_provider'] = 'google';
 // $config['oauth_provider_name'] = 'Google';
 // $config['oauth_client_id'] = "<your-credentials-client-id>";
 // $config['oauth_client_secret'] = "<your-credentials-client-secret>";
 // $config['oauth_auth_uri'] = "https://accounts.google.com/o/oauth2/auth";
 // $config['oauth_token_uri'] = "https://oauth2.googleapis.com/token";
 // $config['oauth_identity_uri'] = 'https://www.googleapis.com/oauth2/v1/userinfo';
 // $config['oauth_scope'] = "email profile openid https://mail.google.com/";
 // $config['oauth_auth_parameters'] = ['access_type' => 'offline', 'prompt' => 'consent'];
 
 ///// Example config for Outlook.com (Office 365)
 
 // Register your OAuth client at https://portal.azure.com
 // - use https://<your-roundcube-url>/index.php/login/oauth as redirect URL
 // - grant permissions to Microsoft Graph API "IMAP.AccessAsUser.All", "SMTP.Send", "User.Read" and "offline_access"
 
 // $config['default_host'] = 'ssl://outlook.office365.com';
 // $config['smtp_server'] = 'ssl://smtp.office365.com';
 
 // $config['oauth_provider'] = 'outlook';
 // $config['oauth_provider_name'] = 'Outlook.com';
 // $config['oauth_client_id'] = "<your-credentials-client-id>";
 // $config['oauth_client_secret'] = "<your-credentials-client-secret>";
 // $config['oauth_auth_uri'] = "https://login.microsoftonline.com/common/oauth2/v2.0/authorize";
 // $config['oauth_token_uri'] = "https://login.microsoftonline.com/common/oauth2/v2.0/token";
 // $config['oauth_identity_uri'] = "https://graph.microsoft.com/v1.0/me";
 // $config['oauth_identity_fields'] = ['email', 'userPrincipalName'];
 // $config['oauth_scope'] = "https://outlook.office365.com/IMAP.AccessAsUser.All https://outlook.office365.com/SMTP.Send User.Read offline_access";
 // $config['oauth_auth_parameters'] = ['nonce' => mt_rand()];
 
 // ----------------------------------
 // LDAP
 // ----------------------------------
 
 // Type of LDAP cache. Supported values: 'db', 'apc' and 'memcache' or 'memcached'.
 $config['ldap_cache'] = 'db';
 
 // Lifetime of LDAP cache. Possible units: s, m, h, d, w
 $config['ldap_cache_ttl'] = '10m';
 
 
 // ----------------------------------
 // CACHE(S)
 // ----------------------------------
 
 // Use these hosts for accessing memcached
 // Define any number of hosts in the form of hostname:port or unix:///path/to/socket.file
 // Example: ['localhost:11211', '192.168.1.12:11211', 'unix:///var/tmp/memcached.sock'];
 $config['memcache_hosts'] = null;
 
 // Controls the use of a persistent connections to memcache servers
 // See http://php.net/manual/en/memcache.addserver.php
 $config['memcache_pconnect'] = true;
 
 // Value in seconds which will be used for connecting to the daemon
 // See http://php.net/manual/en/memcache.addserver.php
 $config['memcache_timeout'] = 1;
 
 // Controls how often a failed server will be retried (value in seconds).
 // Setting this parameter to -1 disables automatic retry.
 // See http://php.net/manual/en/memcache.addserver.php
 $config['memcache_retry_interval'] = 15;
 
 // Use these hosts for accessing Redis.
 // Currently only one host is supported. Cluster support may come in a future release.
 // You can pass 4 fields, host, port (optional), database (optional) and password (optional).
 // Unset fields will be set to the default values host=127.0.0.1, port=6379.
 // Examples:
 //     ['localhost:6379'];
 //     ['192.168.1.1:6379:1:secret'];
 //     ['unix:///var/run/redis/redis-server.sock:1:secret'];
 $config['redis_hosts'] = null;
 
 // Maximum size of an object in memcache (in bytes). Default: 2MB
 $config['memcache_max_allowed_packet'] = '2M';
 
 // Maximum size of an object in APC cache (in bytes). Default: 2MB
 $config['apc_max_allowed_packet'] = '2M';
 
 // Maximum size of an object in Redis cache (in bytes). Default: 2MB
 $config['redis_max_allowed_packet'] = '2M';
 
 
 // ----------------------------------
 // SYSTEM
 // ----------------------------------
 
 // THIS OPTION WILL ALLOW THE INSTALLER TO RUN AND CAN EXPOSE SENSITIVE CONFIG DATA.
 // ONLY ENABLE IT IF YOU'RE REALLY SURE WHAT YOU'RE DOING!
 $config['enable_installer'] = false;
 
 // don't allow these settings to be overridden by the user
 $config['dont_override'] = [];
 
 // List of disabled UI elements/actions
 $config['disabled_actions'] = [];
 
 // define which settings should be listed under the 'advanced' block
 // which is hidden by default
 $config['advanced_prefs'] = [];
 
 // provide an URL where a user can get support for this Roundcube installation
 // PLEASE DO NOT LINK TO THE ROUNDCUBE.NET WEBSITE HERE!
 $config['support_url'] = '';
 
 // Location of the blank (watermark) frame page. By default it is the watermark.html
 // file from the currently selected skin. Prepend name/path with a slash to use
 // current skin folder. Remove the slash to point to a file in the Roundcube
 // root directory. It can be also a full URL.
 $config['blankpage_url'] = '/watermark.html';
 
 // Logo image replacement. Specifies location of the image as:
 // - URL relative to the document root of this Roundcube installation
 // - full URL with http:// or https:// prefix
 // - URL relative to the current skin folder (when starts with a '/')
 //
 // An array can be used to specify different logos for specific template files
 // The array key specifies the place(s) the logo should be applied to and
 // is made up of (up to) 3 parts:
 // - skin name prefix (always with colon, can be replaced with *)
 // - template name (or * for all templates)
 // - logo type - it is used for logos used on multiple templates
 //   the available types include '[favicon]' for favicon, '[print]' for logo on all print
 //   templates (e.g. messageprint, contactprint) and '[small]' for small screen logo in supported skins
 //   '[dark]' and '[small-dark]' for dark mode logo in supported skins
 //
 // Example config for skin_logo
 /*
    [
      // show the image /images/logo_login_small.png for the Login screen in the Elastic skin on small screens
      "elastic:login[small]" => "/images/logo_login_small.png",
      // show the image /images/logo_login.png for the Login screen in the Elastic skin
      "elastic:login" => "/images/logo_login.png",
      // show the image /images/logo_small.png in the Elastic skin
      "elastic:*[small]" => "/images/logo_small.png",
      // show the image /images/larry.png in the Larry skin
      "larry:*" => "/images/larry.png",
      // show the image /images/logo_login.png on the login template in all skins
      "login" => "/images/logo_login.png",
      // show the image /images/logo_print.png for all print type logos in all skins
      "[print]" => "/images/logo_print.png",
    ];
 */
 $config['skin_logo'] = null;
 
 // Automatically register user in Roundcube database on successful (IMAP) logon.
 // Set to false if only registered users should be allowed to the webmail.
 // Note: If disabled you have to create records in Roundcube users table by yourself.
 // Note: Roundcube does not manage/create users on a mail server.
 $config['auto_create_user'] = true;
 
 // Enables possibility to log in using email address from user identities
 $config['user_aliases'] = false;
 
 // use this folder to store log files
 // must be writeable for the user who runs PHP process (Apache user if mod_php is being used)
 // This is used by the 'file' log driver.
 $config['log_dir'] = RCUBE_INSTALL_PATH . 'logs/';
 
 // Location of temporary saved files such as attachments and cache files
 // must be writeable for the user who runs PHP process (Apache user if mod_php is being used)
 $config['temp_dir'] = RCUBE_INSTALL_PATH . 'temp/';
 
 // expire files in temp_dir after 48 hours
 // possible units: s, m, h, d, w
 $config['temp_dir_ttl'] = '48h';
 
 // Enforce connections over https
 // With this option enabled, all non-secure connections will be redirected.
 // It can be also a port number, hostname or hostname:port if they are
 // different than default HTTP_HOST:443
 $config['force_https'] = false;
 
 // tell PHP that it should work as under secure connection
 // even if it doesn't recognize it as secure ($_SERVER['HTTPS'] is not set)
 // e.g. when you're running Roundcube behind a https proxy
 // this option is mutually exclusive to 'force_https' and only either one of them should be set to true.
 $config['use_https'] = false;
 
 // Allow browser-autocompletion on login form.
 // 0 - disabled, 1 - username and host only, 2 - username, host, password
 $config['login_autocomplete'] = 0;
 
 // Forces conversion of logins to lower case.
 // 0 - disabled, 1 - only domain part, 2 - domain and local part.
 // If users authentication is case-insensitive this must be enabled.
 // Note: After enabling it all user records need to be updated, e.g. with query:
 //       UPDATE users SET username = LOWER(username);
 $config['login_lc'] = 2;
 
 // Maximum length (in bytes) of logon username and password.
 $config['login_username_maxlen'] = 1024;
 $config['login_password_maxlen'] = 1024;
 
 // Logon username filter. Regular expression for use with preg_match().
 // Use special value 'email' if you accept only full email addresses as user logins.
 // Example: '/^[a-z0-9_@.-]+$/'
 $config['login_username_filter'] = null;
 
 // Brute-force attacks prevention.
 // The value specifies maximum number of failed logon attempts per minute.
 $config['login_rate_limit'] = 3;
 
 // Includes should be interpreted as PHP files
 $config['skin_include_php'] = false;
 
 // display product name and software version on login screen
 // 0 - hide product name and version number, 1 - show product name only, 2 - show product name and version number
 $config['display_product_info'] = 1;
 
 // Session lifetime in minutes
 $config['session_lifetime'] = 10;
 
 // Session domain: .example.org
 $config['session_domain'] = '';
 
 // Session name. Default: 'roundcube_sessid'
 $config['session_name'] = null;
 
 // Session authentication cookie name. Default: 'roundcube_sessauth'
 $config['session_auth_name'] = null;
 
 // Session path. Defaults to PHP session.cookie_path setting.
 $config['session_path'] = null;
 
 // Session samesite. Defaults to PHP session.cookie_samesite setting.
 // Requires PHP >= 7.3.0, see https://wiki.php.net/rfc/same-site-cookie for more info
 // Possible values: null (default), 'Lax', or 'Strict'
 $config['session_samesite'] = null;
 
 // Backend to use for session storage. Can either be 'db' (default), 'redis', 'memcache', or 'php'
 //
 // If set to 'memcache' or 'memcached', a list of servers need to be specified in 'memcache_hosts'
 // Make sure the Memcache extension (https://pecl.php.net/package/memcache) version >= 2.0.0
 // or the Memcached extension (https://pecl.php.net/package/memcached) version >= 2.0.0 is installed.
 //
 // If set to 'redis', a server needs to be specified in 'redis_hosts'
 // Make sure the Redis extension (https://pecl.php.net/package/redis) version >= 2.0.0 is installed.
 //
 // Setting this value to 'php' will use the default session save handler configured in PHP
 $config['session_storage'] = 'db';
 
 // List of trusted proxies
 // X_FORWARDED_* and X_REAL_IP headers are only accepted from these IPs
 $config['proxy_whitelist'] = [];
 
 // List of trusted host names
 // Attackers can modify Host header of the HTTP request causing $_SERVER['SERVER_NAME']
 // or $_SERVER['HTTP_HOST'] variables pointing to a different host, that could be used
 // to collect user names and passwords. Some server configurations prevent that, but not all.
 // An empty list accepts any host name. The list can contain host names
 // or PCRE patterns (without // delimiters, that will be added automatically).
 $config['trusted_host_patterns'] = [];
 
 // check client IP in session authorization
 $config['ip_check'] = false;
 
 // X-Frame-Options HTTP header value sent to prevent from Clickjacking.
 // Possible values: sameorigin|deny|allow-from <uri>.
 // Set to false in order to disable sending the header.
 $config['x_frame_options'] = 'sameorigin';
 
 // This key is used for encrypting purposes, like storing of imap password
 // in the session. For historical reasons it's called DES_key, but it's used
 // with any configured cipher_method (see below).
 // For the default cipher_method a required key length is 24 characters.
 $config['des_key'] = 'rcmail-!24ByteDESkey*Str';
 
 // Encryption algorithm. You can use any method supported by OpenSSL.
 // Default is set for backward compatibility to DES-EDE3-CBC,
 // but you can choose e.g. AES-256-CBC which we consider a better choice.
 $config['cipher_method'] = 'DES-EDE3-CBC';
 
 // Automatically add this domain to user names for login
 // Only for IMAP servers that require full e-mail addresses for login
 // Specify an array with 'host' => 'domain' values to support multiple hosts
 // Supported replacement variables:
 // %h - user's IMAP hostname
 // %n - hostname ($_SERVER['SERVER_NAME'])
 // %t - hostname without the first part
 // %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
 // %z - IMAP domain (IMAP hostname without the first part)
 // For example %n = mail.domain.tld, %t = domain.tld
 $config['username_domain'] = '';
 
 // Force domain configured in username_domain to be used for login.
 // Any domain in username will be replaced by username_domain.
 $config['username_domain_forced'] = false;
 
 // This domain will be used to form e-mail addresses of new users
 // Specify an array with 'host' => 'domain' values to support multiple hosts
 // Supported replacement variables:
 // %h - user's IMAP hostname
 // %n - http hostname ($_SERVER['SERVER_NAME'])
 // %d - domain (http hostname without the first part)
 // %z - IMAP domain (IMAP hostname without the first part)
 // For example %n = mail.domain.tld, %t = domain.tld
 $config['mail_domain'] = '';
 
 // Password character set, to change the password for user
 // authentication or for password change operations
 $config['password_charset'] = 'UTF-8';
 
 // How many seconds must pass between emails sent by a user
 $config['sendmail_delay'] = 0;
 
 // Message size limit. Note that SMTP server(s) may use a different value.
 // This limit is verified when user attaches files to a composed message.
 // Size in bytes (possible unit suffix: K, M, G)
 $config['max_message_size'] = '100M';
 
 // Maximum number of recipients per message (including To, Cc, Bcc).
 // Default: 0 (no limit)
 $config['max_recipients'] = 0;
 
 // Maximum number of recipients per message excluding Bcc header.
 // This is a soft limit, which means we only display a warning to the user.
 // Default: 5
 $config['max_disclosed_recipients'] = 5;
 
 // Maximum allowed number of members of an address group. Default: 0 (no limit)
 // If 'max_recipients' is set this value should be less or equal
 $config['max_group_members'] = 0;
 
 // Name your service. This is displayed on the login screen and in the window title
 $config['product_name'] = 'Roundcube Webmail';
 
 // Add this user-agent to message headers when sending. Default: not set.
 $config['useragent'] = null;
 
 // try to load host-specific configuration
 // see https://github.com/roundcube/roundcubemail/wiki/Configuration:-Multi-Domain-Setup
 // for more details
 $config['include_host_config'] = false;
 
 // path to a text file which will be added to each sent message
 // paths are relative to the Roundcube root folder
 $config['generic_message_footer'] = '';
 
 // path to a text file which will be added to each sent HTML message
 // paths are relative to the Roundcube root folder
 $config['generic_message_footer_html'] = '';
 
 // add a received header to outgoing mails containing the creators IP and hostname
 $config['http_received_header'] = false;
 
 // Whether or not to encrypt the IP address and the host name
 // these could, in some circles, be considered as sensitive information;
 // however, for the administrator, these could be invaluable help
 // when tracking down issues.
 $config['http_received_header_encrypt'] = false;
 
 // number of chars allowed for line when wrapping text.
 // text wrapping is done when composing/sending messages
 $config['line_length'] = 72;
 
 // send plaintext messages as format=flowed
 $config['send_format_flowed'] = true;
 
 // According to RFC2298, return receipt envelope sender address must be empty.
 // If this option is true, Roundcube will use user's identity as envelope sender for MDN responses.
 $config['mdn_use_from'] = false;
 
 // Set identities access level:
 // 0 - many identities with possibility to edit all params
 // 1 - many identities with possibility to edit all params but not email address
 // 2 - one identity with possibility to edit all params
 // 3 - one identity with possibility to edit all params but not email address
 // 4 - one identity with possibility to edit only signature
 $config['identities_level'] = 0;
 
 // Maximum size of uploaded image in kilobytes
 // Images (in html signatures) are stored in database as data URIs
 $config['identity_image_size'] = 64;
 
 // Mimetypes supported by the browser.
 // Attachments of these types will open in a preview window.
 // Either a comma-separated list or an array. Default list includes:
 //     text/plain,text/html,
 //     image/jpeg,image/gif,image/png,image/bmp,image/tiff,image/webp,
 //     application/x-javascript,application/pdf,application/x-shockwave-flash
 $config['client_mimetypes'] = null;
 
 // Path to a local mime magic database file for PHPs finfo extension.
 // Set to null if the default path should be used.
 $config['mime_magic'] = null;
 
 // Absolute path to a local mime.types mapping table file.
 // This is used to derive mime-types from the filename extension or vice versa.
 // Such a file is usually part of the apache webserver. If you don't find a file named mime.types on your system,
 // download it from http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
 $config['mime_types'] = null;
 
 // path to imagemagick identify binary (if not set we'll use Imagick or GD extensions)
 $config['im_identify_path'] = null;
 
 // path to imagemagick convert binary (if not set we'll use Imagick or GD extensions)
 $config['im_convert_path'] = null;
 
 // Size of thumbnails from image attachments displayed below the message content.
 // Note: whether images are displayed at all depends on the 'inline_images' option.
 // Set to 0 to display images in full size.
 $config['image_thumbnail_size'] = 240;
 
 // maximum size of uploaded contact photos in pixel
 $config['contact_photo_size'] = 160;
 
 // Enable DNS checking for e-mail address validation
 $config['email_dns_check'] = false;
 
 // Disables saving sent messages in Sent folder (like gmail) (Default: false)
 // Note: useful when SMTP server stores sent mail in user mailbox
 $config['no_save_sent_messages'] = false;
 
 // Improve system security by using special URL with security token.
 // This can be set to a number defining token length. Default: 16.
 // Warning: This requires http server configuration. Sample:
 //    RewriteRule ^/roundcubemail/[a-zA-Z0-9]{16}/(.*) /roundcubemail/$1 [PT]
 //    Alias /roundcubemail /var/www/roundcubemail/
 // Note: Use assets_path to not prevent the browser from caching assets
 $config['use_secure_urls'] = false;
 
 // Allows to define separate server/path for image/js/css files
 // Warning: If the domain is different cross-domain access to some
 // resources need to be allowed
 // Sample:
 //    <FilesMatch ".(eot|ttf|woff)">
 //    Header set Access-Control-Allow-Origin "*"
 //    </FilesMatch>
 $config['assets_path'] = '';
 
 // While assets_path is for the browser, assets_dir informs
 // PHP code about the location of asset files in filesystem
 $config['assets_dir'] = '';
 
 // Options passed when creating Guzzle HTTP client, used to fetch remote content
 // For example:
 // [
 //   'timeout' => 10,
 //   'proxy' => 'tcp://localhost:8125',
 // ]
 $config['http_client'] = [];
 
 // List of supported subject prefixes for a message reply
 // This list is used to clean the subject when replying or sorting messages
 $config['subject_reply_prefixes'] = ['Re:'];
 
 // List of supported subject prefixes for a message forward
 // This list is used to clean the subject when forwarding or sorting messages
 $config['subject_forward_prefixes'] = ['Fwd:', 'Fw:'];
 
 // Prefix to use in subject when replying to a message
 $config['response_prefix'] = 'Re:';
 
 // Prefix to use in subject when forwarding a message
 $config['forward_prefix'] = 'Fwd:';
 
 // ----------------------------------
 // PLUGINS
 // ----------------------------------
 
 // List of active plugins (in plugins/ directory)
 $config['plugins'] = [];
 
 // ----------------------------------
 // USER INTERFACE
 // ----------------------------------
 
 // default messages sort column. Use empty value for default server's sorting,
 // or 'arrival', 'date', 'subject', 'from', 'to', 'fromto', 'size', 'cc'
 $config['message_sort_col'] = '';
 
 // default messages sort order
 $config['message_sort_order'] = 'DESC';
 
 // These cols are shown in the message list. Available cols are:
 // subject, from, to, fromto, cc, replyto, date, size, status, flag, attachment, priority
 $config['list_cols'] = ['subject', 'status', 'fromto', 'date', 'size', 'flag', 'attachment'];
 
 // the default locale setting (leave empty for auto-detection)
 // RFC1766 formatted language name like en_US, de_DE, de_CH, fr_FR, pt_BR
 $config['language'] = null;
 
 // use this format for date display (date or strftime format)
 $config['date_format'] = 'Y-m-d';
 
 // give this choice of date formats to the user to select from
 // Note: do not use ambiguous formats like m/d/Y
 $config['date_formats'] = ['Y-m-d', 'Y/m/d', 'Y.m.d', 'd-m-Y', 'd/m/Y', 'd.m.Y', 'j.n.Y'];
 
 // use this format for time display (date or strftime format)
 $config['time_format'] = 'H:i';
 
 // give this choice of time formats to the user to select from
 $config['time_formats'] = ['G:i', 'H:i', 'g:i a', 'h:i A'];
 
 // use this format for short date display (derived from date_format and time_format)
 $config['date_short'] = 'D H:i';
 
 // use this format for detailed date/time formatting (derived from date_format and time_format)
 $config['date_long'] = 'Y-m-d H:i';
 
 // store draft message is this mailbox
 // leave blank if draft messages should not be stored
 // NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
 $config['drafts_mbox'] = 'Drafts';
 
 // store spam messages in this mailbox
 // NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
 $config['junk_mbox'] = 'Junk';
 
 // store sent message is this mailbox
 // leave blank if sent messages should not be stored
 // NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
 $config['sent_mbox'] = 'Sent';
 
 // move messages to this folder when deleting them
 // leave blank if they should be deleted directly
 // NOTE: Use folder names with namespace prefix (INBOX. on Courier-IMAP)
 $config['trash_mbox'] = 'Trash';
 
 // automatically create the above listed default folders on user login
 $config['create_default_folders'] = false;
 
 // protect the default folders from renames, deletes, and subscription changes
 $config['protect_default_folders'] = true;
 
 // Disable localization of the default folder names listed above
 $config['show_real_foldernames'] = false;
 
 // if in your system 0 quota means no limit set this option to true
 $config['quota_zero_as_unlimited'] = false;
 
 // Make use of the built-in spell checker.
 $config['enable_spellcheck'] = false;
 
 // Enables spellchecker exceptions dictionary.
 // Setting it to 'shared' will make the dictionary shared by all users.
 $config['spellcheck_dictionary'] = false;
 
 // Set the spell checking engine. Possible values:
 // - 'googie'  - the default (also used for connecting to Nox Spell Server, see 'spellcheck_uri' setting)
 // - 'pspell'  - requires the PHP Pspell module and aspell installed
 // - 'enchant' - requires the PHP Enchant module
 // - 'atd'     - install your own After the Deadline server or check with the people at http://www.afterthedeadline.com before using their API
 // Since Google shut down their public spell checking service, the default settings
 // connect to http://spell.roundcube.net which is a hosted service provided by Roundcube.
 // You can connect to any other googie-compliant service by setting 'spellcheck_uri' accordingly.
 $config['spellcheck_engine'] = 'googie';
 
 // For locally installed Nox Spell Server or After the Deadline services,
 // please specify the URI to call it.
 // Get Nox Spell Server from http://orangoo.com/labs/?page_id=72 or
 // the After the Deadline package from http://www.afterthedeadline.com.
 // Leave empty to use the public API of service.afterthedeadline.com
 $config['spellcheck_uri'] = '';
 
 // These languages can be selected for spell checking.
 // Configure as a PHP style hash array: ['en'=>'English', 'de'=>'Deutsch'];
 // Leave empty for default set of available language.
 $config['spellcheck_languages'] = null;
 
 // Makes that words with all letters capitalized will be ignored (e.g. GOOGLE)
 $config['spellcheck_ignore_caps'] = false;
 
 // Makes that words with numbers will be ignored (e.g. g00gle)
 $config['spellcheck_ignore_nums'] = false;
 
 // Makes that words with symbols will be ignored (e.g. g@@gle)
 $config['spellcheck_ignore_syms'] = false;
 
 // Number of lines at the end of a message considered to contain the signature.
 // Increase this value if signatures are not properly detected and colored
 $config['sig_max_lines'] = 15;
 
 // don't let users set pagesize to more than this value if set
 $config['max_pagesize'] = 200;
 
 // Minimal value of user's 'refresh_interval' setting (in seconds)
 $config['min_refresh_interval'] = 60;
 
 // Specifies for how many seconds the Undo button will be available
 // after object delete action. Currently used with supporting address book sources.
 // Setting it to 0, disables the feature.
 $config['undo_timeout'] = 0;
 
 // A static list of canned responses which are immutable for the user
 $config['compose_responses_static'] = [
 //  ['name' => 'Canned Response 1', 'text' => 'Static Response One'],
 //  ['name' => 'Canned Response 2', 'text' => 'Static Response Two'],
 ];
 
 // List of HKP key servers for PGP public key lookups in Enigma/Mailvelope
 // Note: Lookup is client-side, so the server must support Cross-Origin Resource Sharing
 $config['keyservers'] = ['keys.openpgp.org'];
 
 // Enables use of the Main Keyring in Mailvelope? If disabled, a per-site keyring
 // will be used. This is set to false for backwards compatibility.
 $config['mailvelope_main_keyring'] = false;
 
 // Mailvelope RSA bit size for newly generated keys, either 2048 or 4096.
 // It maybe desirable to use 2048 for sites with many mobile users.
 $config['mailvelope_keysize'] = 4096;
 
 // ----------------------------------
 // ADDRESSBOOK SETTINGS
 // ----------------------------------
 
 // This indicates which type of address book to use. Possible choices:
 // 'sql' - built-in sql addressbook enabled (default),
 // ''    - built-in sql addressbook disabled.
 //         Still LDAP or plugin-added addressbooks will be available.
 //         BC Note: The value can actually be anything except 'sql', it does not matter.
 $config['address_book_type'] = 'sql';
 
 // In order to enable public ldap search, configure an array like the Verisign
 // example further below. if you would like to test, simply uncomment the example.
 // Array key must contain only safe characters, ie. a-zA-Z0-9_
 $config['ldap_public'] = [];
 
 // If you are going to use LDAP for individual address books, you will need to
 // set 'user_specific' to true and use the variables to generate the appropriate DNs to access it.
 //
 // The recommended directory structure for LDAP is to store all the address book entries
 // under the users main entry, e.g.:
 //
 //  o=root
 //   ou=people
 //    uid=user@domain
 //  mail=contact@contactdomain
 //
 // So the base_dn would be uid=%fu,ou=people,o=root
 // The bind_dn would be the same as based_dn or some super user login.
 /*
  * example config for Verisign directory
  *
 $config['ldap_public']['Verisign'] = [
   'name'          => 'Verisign.com',
   // Replacement variables supported in host names:
   // %h - user's IMAP hostname
   // %n - hostname ($_SERVER['SERVER_NAME'])
   // %t - hostname without the first part
   // %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
   // %z - IMAP domain (IMAP hostname without the first part)
   // For example %n = mail.domain.tld, %t = domain.tld
   // Note: Host can also be a full URI e.g. ldaps://hostname.local:636 (for SSL)
   'hosts'         => array('directory.verisign.com'),
   'port'          => 389,
   'use_tls'       => false,
   'ldap_version'  => 3,       // using LDAPv3
   'network_timeout' => 10,    // The timeout (in seconds) for connect + bind attempts. This is only supported in PHP >= 5.3.0 with OpenLDAP 2.x
   'user_specific' => false,   // If true the base_dn, bind_dn and bind_pass default to the user's IMAP login.
   // When 'user_specific' is enabled following variables can be used in base_dn/bind_dn config:
   // %fu - The full username provided, assumes the username is an email
   //       address, uses the username_domain value if not an email address.
   // %u  - The username prior to the '@'.
   // %d  - The domain name after the '@'.
   // %dc - The domain name hierarchal string e.g. "dc=test,dc=domain,dc=com"
   // %dn - DN found by ldap search when search_filter/search_base_dn are used
   'base_dn'       => '',
   'bind_dn'       => '',
   'bind_pass'     => '',
   // It's possible to bind for an individual address book
   // The login name is used to search for the DN to bind with
   'search_base_dn' => '',
   'search_filter'  => '',   // e.g. '(&(objectClass=posixAccount)(uid=%u))'
   // DN and password to bind as before searching for bind DN, if anonymous search is not allowed
   'search_bind_dn' => '',
   'search_bind_pw' => '',
   // Base DN and filter used for resolving the user's domain root DN which feeds the %dc variables
   // Leave empty to skip this lookup and derive the root DN from the username domain
   'domain_base_dn' => '',
   'domain_filter'  => '',
   // Optional map of replacement strings => attributes used when binding for an individual address book
   'search_bind_attrib' => [],  // e.g. ['%udc' => 'ou']
   // Default for %dn variable if search doesn't return DN value
   'search_dn_default' => '',
   // Optional authentication identifier to be used as SASL authorization proxy
   // bind_dn need to be empty
   'auth_cid'       => '',
   // SASL authentication method (for proxy auth), e.g. DIGEST-MD5
   'auth_method'    => '',
   // Indicates if the addressbook shall be hidden from the list.
   // With this option enabled you can still search/view contacts.
   'hidden'        => false,
   // Indicates if the addressbook shall not list contacts but only allows searching.
   'searchonly'    => false,
   // Indicates if we can write to the LDAP directory or not.
   // If writable is true then these fields need to be populated:
   // LDAP_Object_Classes, required_fields, LDAP_rdn
   'writable'       => false,
   // To create a new contact these are the object classes to specify
   // (or any other classes you wish to use).
   'LDAP_Object_Classes' => ['top', 'inetOrgPerson'],
   // The RDN field that is used for new entries, this field needs
   // to be one of the search_fields, the base of base_dn is appended
   // to the RDN to insert into the LDAP directory.
   'LDAP_rdn'       => 'cn',
   // The required fields needed to build a new contact as required by
   // the object classes (can include additional fields not required by the object classes).
   'required_fields' => ['cn', 'sn', 'mail'],
   'search_fields'   => ['mail', 'cn'],  // fields to search in
   // mapping of contact fields to directory attributes
   //   1. for every attribute one can specify the number of values (limit) allowed.
   //      default is 1, a wildcard * means unlimited
   //   2. another possible parameter is separator character for composite fields
   //   3. it's possible to define field format for write operations, e.g. for date fields
   //      example: 'birthday:date[YmdHis\\Z]'
   'fieldmap' => [
     // Roundcube  => LDAP:limit
     'name'        => 'cn',
     'surname'     => 'sn',
     'firstname'   => 'givenName',
     'jobtitle'    => 'title',
     'email'       => 'mail:*',
     'phone:home'  => 'homePhone',
     'phone:work'  => 'telephoneNumber',
     'phone:mobile' => 'mobile',
     'phone:pager' => 'pager',
     'phone:workfax' => 'facsimileTelephoneNumber',
     'street'      => 'street',
     'zipcode'     => 'postalCode',
     'region'      => 'st',
     'locality'    => 'l',
     // if you country is a complex object, you need to configure 'sub_fields' below
     'country'      => 'c',
     'organization' => 'o',
     'department'   => 'ou',
     'jobtitle'     => 'title',
     'notes'        => 'description',
     'photo'        => 'jpegPhoto',
     // these currently don't work:
     // 'manager'       => 'manager',
     // 'assistant'     => 'secretary',
   ],
   // Map of contact sub-objects (attribute name => objectClass(es)), e.g. 'c' => 'country'
   'sub_fields' => [],
   // Generate values for the following LDAP attributes automatically when creating a new record
   'autovalues' => [
     // 'uid'  => 'md5(microtime())',               // You may specify PHP code snippets which are then eval'ed
     // 'mail' => '{givenname}.{sn}@mydomain.com',  // or composite strings with placeholders for existing attributes
   ],
   'sort'           => 'cn',         // The field to sort the listing by.
   'scope'          => 'sub',        // search mode: sub|base|list
   'filter'         => '(objectClass=inetOrgPerson)',      // used for basic listing (if not empty) and will be &'d with search queries. example: status=act
   'fuzzy_search'   => true,         // server allows wildcard search
   'vlv'            => false,        // Enable Virtual List View to more efficiently fetch paginated data (if server supports it)
   'vlv_search'     => false,        // Use Virtual List View functions for autocompletion searches (if server supports it)
   'numsub_filter'  => '(objectClass=organizationalUnit)',   // with VLV, we also use numSubOrdinates to query the total number of records. Set this filter to get all numSubOrdinates attributes for counting
   'config_root_dn' => 'cn=config',  // Root DN to search config entries (e.g. vlv indexes)
   'sizelimit'      => '0',          // Enables you to limit the count of entries fetched. Setting this to 0 means no limit.
   'timelimit'      => '0',          // Sets the number of seconds how long is spend on the search. Setting this to 0 means no limit.
   'referrals'      => false,        // Sets the LDAP_OPT_REFERRALS option. Mostly used in multi-domain Active Directory setups
   'dereference'    => 0,            // Sets the LDAP_OPT_DEREF option. One of: LDAP_DEREF_NEVER, LDAP_DEREF_SEARCHING, LDAP_DEREF_FINDING, LDAP_DEREF_ALWAYS
                                     // Used where addressbook contains aliases to objects elsewhere in the LDAP tree.
 
   // definition for contact groups (uncomment if no groups are supported)
   // for the groups base_dn, the user replacements %fu, %u, %d and %dc work as for base_dn (see above)
   // if the groups base_dn is empty, the contact base_dn is used for the groups as well
   // -> in this case, assure that groups and contacts are separated due to the concerning filters!
   'groups'  => [
     'base_dn'           => '',
     'scope'             => 'sub',       // Search mode: sub|base|list
     'filter'            => '(objectClass=groupOfNames)',
     'object_classes'    => ['top', 'groupOfNames'],   // Object classes to be assigned to new groups
     'member_attr'       => 'member',   // Name of the default member attribute, e.g. uniqueMember
     'name_attr'         => 'cn',       // Attribute to be used as group name
     'email_attr'        => 'mail',     // Group email address attribute (e.g. for mailing lists)
     'member_filter'     => '(objectclass=*)',  // Optional filter to use when querying for group members
     'vlv'               => false,      // Use VLV controls to list groups
     'class_member_attr' => [      // Mapping of group object class to member attribute used in these objects
       'groupofnames'       => 'member',
       'groupofuniquenames' => 'uniquemember'
     ],
   ],
   // this configuration replaces the regular groups listing in the directory tree with
   // a hard-coded list of groups, each listing entries with the configured base DN and filter.
   // if the 'groups' option from above is set, it'll be shown as the first entry with the name 'Groups'
   'group_filters' => [
     'departments' => [
       'name'    => 'Company Departments',
       'scope'   => 'list',
       'base_dn' => 'ou=Groups,dc=mydomain,dc=com',
       'filter'  => '(|(objectclass=groupofuniquenames)(objectclass=groupofurls))',
       'name_attr' => 'cn',
     ],
     'customers' => [
       'name'    => 'Customers',
       'scope'   => 'sub',
       'base_dn' => 'ou=Customers,dc=mydomain,dc=com',
       'filter'  => '(objectClass=inetOrgPerson)',
       'name_attr' => 'sn',
     ],
   ],
 ];
 */
 
 // An ordered array of the ids of the addressbooks that should be searched
 // when populating address autocomplete fields server-side. ex: ['sql','Verisign'];
 $config['autocomplete_addressbooks'] = ['sql'];
 
 // The minimum number of characters required to be typed in an autocomplete field
 // before address books will be searched. Most useful for LDAP directories that
 // may need to do lengthy results building given overly-broad searches
 $config['autocomplete_min_length'] = 1;
 
 // Number of parallel autocomplete requests.
 // If there's more than one address book, n parallel (async) requests will be created,
 // where each request will search in one address book. By default (0), all address
 // books are searched in one request.
 $config['autocomplete_threads'] = 0;
 
 // Max. number of entries in autocomplete popup. Default: 15.
 $config['autocomplete_max'] = 15;
 
 // show address fields in this order
 // available placeholders: {street}, {locality}, {zipcode}, {country}, {region}
 $config['address_template'] = '{street}<br/>{locality} {zipcode}<br/>{country} {region}';
 
 // Matching mode for addressbook search (including autocompletion)
 // 0 - partial (*abc*), default
 // 1 - strict (abc)
 // 2 - prefix (abc*)
 // Note: For LDAP sources fuzzy_search must be enabled to use 'partial' or 'prefix' mode
 $config['addressbook_search_mode'] = 0;
 
 // List of fields used on contacts list and for autocompletion searches
 // Warning: These are field names not LDAP attributes (see 'fieldmap' setting)!
 $config['contactlist_fields'] = ['name', 'firstname', 'surname', 'email'];
 
 // Template of contact entry on the autocompletion list.
 // You can use contact fields as: name, email, organization, department, etc.
 // See program/actions/contacts/index.php for a list
 $config['contact_search_name'] = '{name} <{email}>';
 
 // Contact mode. If your contacts are mostly business, switch it to 'business'.
 // This will prioritize form fields related to 'work' (instead of 'home').
 // Default: 'private'.
 $config['contact_form_mode'] = 'private';
 
 // The addressbook source to store automatically collected recipients in.
 // Default: true (the built-in "Collected recipients" addressbook, source id = '1')
 // Note: It can be set to any writeable addressbook, e.g. 'sql'
 $config['collected_recipients'] = true;
 
 // The addressbook source to store trusted senders in.
 // Default: true (the built-in "Trusted senders" addressbook, source id = '2')
 // Note: It can be set to any writeable addressbook, e.g. 'sql'
 $config['collected_senders'] = true;
 
 
 // ----------------------------------
 // USER PREFERENCES
 // ----------------------------------
 
 // Use this charset as fallback for message decoding
 $config['default_charset'] = 'ISO-8859-1';
 
 // Skin name: folder from skins/
 $config['skin'] = 'elastic';
 
 // Limit skins available for the user.
 // Note: When not empty, it should include the default skin set in 'skin' option.
 $config['skins_allowed'] = [];
 
 // Enables using standard browser windows (that can be handled as tabs)
 // instead of popup windows
 $config['standard_windows'] = false;
 
 // show up to X items in messages list view
 $config['mail_pagesize'] = 50;
 
 // show up to X items in contacts list view
 $config['addressbook_pagesize'] = 50;
 
 // sort contacts by this col (preferably either one of name, firstname, surname)
 $config['addressbook_sort_col'] = 'surname';
 
 // The way how contact names are displayed in the list.
 // 0: prefix firstname middlename surname suffix (only if display name is not set)
 // 1: firstname middlename surname
 // 2: surname firstname middlename
 // 3: surname, firstname middlename
 $config['addressbook_name_listing'] = 0;
 
 // use this timezone to display date/time
 // valid timezone identifiers are listed here: php.net/manual/en/timezones.php
 // 'auto' will use the browser's timezone settings
 $config['timezone'] = 'auto';
 
 // prefer displaying HTML messages
 $config['prefer_html'] = true;
 
 // Display remote resources (inline images, styles) in HTML messages. Default: 0.
 // 0 - Never, always ask
 // 1 - Allow from my contacts (all writeable addressbooks + collected senders and recipients)
 // 2 - Always allow
 // 3 - Allow from trusted senders only
 $config['show_images'] = 0;
 
 // open messages in new window
 $config['message_extwin'] = false;
 
 // open message compose form in new window
 $config['compose_extwin'] = false;
 
 // compose html formatted messages by default
 //  0 - never,
 //  1 - always,
 //  2 - on reply to HTML message,
 //  3 - on forward or reply to HTML message
 //  4 - always, except when replying to plain text message
 $config['htmleditor'] = 0;
 
 // save copies of compose messages in the browser's local storage
 // for recovery in case of browser crashes and session timeout.
 $config['compose_save_localstorage'] = true;
 
 // show pretty dates as standard
 $config['prettydate'] = true;
 
 // save compose message every 300 seconds (5min)
 $config['draft_autosave'] = 300;
 
 // Interface layout. Default: 'widescreen'.
 //  'widescreen' - three columns
 //  'desktop'    - two columns, preview on bottom
 //  'list'       - two columns, no preview
 $config['layout'] = 'widescreen';
 
 // Mark as read when viewing a message (delay in seconds)
 // Set to -1 if messages should not be marked as read
 $config['mail_read_time'] = 0;
 
 // Clear Trash on logout
 $config['logout_purge'] = false;
 
 // Compact INBOX on logout
 $config['logout_expunge'] = false;
 
 // Display attached images below the message body
 $config['inline_images'] = true;
 
 // Encoding of long/non-ascii attachment names:
 // 0 - Full RFC 2231 compatible
 // 1 - RFC 2047 for 'name' and RFC 2231 for 'filename' parameter (Thunderbird's default)
 // 2 - Full 2047 compatible
 $config['mime_param_folding'] = 1;
 
 // Set true if deleted messages should not be displayed
 // This will make the application run slower
 $config['skip_deleted'] = false;
 
 // Set true to Mark deleted messages as read as well as deleted
 // False means that a message's read status is not affected by marking it as deleted
 $config['read_when_deleted'] = true;
 
 // Set to true to never delete messages immediately
 // Use 'Purge' to remove messages marked as deleted
 $config['flag_for_deletion'] = false;
 
 // Default interval for auto-refresh requests (in seconds)
 // These are requests for system state updates e.g. checking for new messages, etc.
 // Setting it to 0 disables the feature.
 $config['refresh_interval'] = 60;
 
 // If true all folders will be checked for recent messages
 $config['check_all_folders'] = false;
 
 // If true, after message/contact delete/move, the next message/contact will be displayed
 $config['display_next'] = true;
 
 // Default messages listing mode. One of 'threads' or 'list'.
 $config['default_list_mode'] = 'list';
 
 // 0 - Do not expand threads
 // 1 - Expand all threads automatically
 // 2 - Expand only threads with unread messages
 $config['autoexpand_threads'] = 0;
 
 // When replying:
 // -1 - don't cite the original message
 // 0  - place cursor below the original message
 // 1  - place cursor above original message (top posting)
 // 2  - place cursor above original message (top posting), but do not indent the quote
 $config['reply_mode'] = 0;
 
 // When replying strip original signature from message
 $config['strip_existing_sig'] = true;
 
 // Show signature:
 // 0 - Never
 // 1 - Always
 // 2 - New messages only
 // 3 - Forwards and Replies only
 $config['show_sig'] = 1;
 
 // By default the signature is placed depending on cursor position (reply_mode).
 // Sometimes it might be convenient to start the reply on top but keep
 // the signature below the quoted text (sig_below = true).
 $config['sig_below'] = false;
 
 // Enables adding of standard separator to the signature
 $config['sig_separator'] = true;
 
 // Use MIME encoding (quoted-printable) for 8bit characters in message body
 $config['force_7bit'] = false;
 
 // Default fields configuration for mail search.
 // The array can contain a per-folder list of header fields which should be considered when searching
 // The entry with key '*' stands for all folders which do not have a specific list set.
 // Supported fields: subject, from, to, cc, bcc, body, text.
 // Please note that folder names should to be in sync with $config['*_mbox'] options
 $config['search_mods'] = null;  // Example: ['*' => ['subject'=>1, 'from'=>1], 'Sent' => ['subject'=>1, 'to'=>1]];
 
 // Defaults of the addressbook search field configuration.
 $config['addressbook_search_mods'] = null;  // Example: ['name'=>1, 'firstname'=>1, 'surname'=>1, 'email'=>1, '*'=>1];
 
 // Directly delete messages in Junk instead of moving to Trash
 $config['delete_junk'] = false;
 
 // Behavior if a received message requests a message delivery notification (read receipt)
 // 0 = ask the user,
 // 1 = send automatically,
 // 2 = ignore (never send or ask)
 // 3 = send automatically if sender is in my contacts, otherwise ask the user
 // 4 = send automatically if sender is in my contacts, otherwise ignore
 // 5 = send automatically if sender is a trusted sender, otherwise ask the user
 // 6 = send automatically if sender is a trusted sender, otherwise ignore
 $config['mdn_requests'] = 0;
 
 // Return receipt checkbox default state
 $config['mdn_default'] = 0;
 
 // Delivery Status Notification checkbox default state
 // Note: This can be used only if smtp_server is non-empty
 $config['dsn_default'] = 0;
 
 // Place replies in the folder of the message being replied to
 $config['reply_same_folder'] = false;
 
 // Sets default mode of Forward feature to "forward as attachment"
 $config['forward_attachment'] = false;
 
 // Defines address book (internal index) to which new contacts will be added
 // By default it is the first writeable addressbook.
 // Note: Use '0' for built-in address book.
 $config['default_addressbook'] = null;
 
 // Enables spell checking before sending a message.
 $config['spellcheck_before_send'] = false;
 
 // Skip alternative email addresses in autocompletion (show one address per contact)
 $config['autocomplete_single'] = false;
 
 // Default font for composed HTML message.
 // Supported values: Andale Mono, Arial, Arial Black, Book Antiqua, Courier New,
 // Georgia, Helvetica, Impact, Tahoma, Terminal, Times New Roman, Trebuchet MS, Verdana
 $config['default_font'] = 'Verdana';
 
 // Default font size for composed HTML message.
 // Supported sizes: 8pt, 10pt, 12pt, 14pt, 18pt, 24pt, 36pt
 $config['default_font_size'] = '10pt';
 
 // Enables display of email address with name instead of a name (and address in title)
 $config['message_show_email'] = false;
 
 // Default behavior of Reply-All button:
 // 0 - Reply-All always
 // 1 - Reply-List if mailing list is detected
 $config['reply_all_mode'] = 0;
diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
index 44402955f..c352f29a1 100644
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@@ -1,1815 +1,1798 @@
 <?php
 
 /**
  +-----------------------------------------------------------------------+
  | This file is part of the Roundcube Webmail client                     |
  |                                                                       |
  | Copyright (C) The Roundcube Dev Team                                  |
  | Copyright (C) Kolab Systems AG                                        |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
  | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   Utility class providing common functions                            |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  | Author: Aleksander Machniak <alec@alec.pl>                            |
  +-----------------------------------------------------------------------+
 */
 
 /**
  * Utility class providing common functions
  *
  * @package    Framework
  * @subpackage Utils
  */
 class rcube_utils
 {
     // define constants for input reading
     const INPUT_GET    = 1;
     const INPUT_POST   = 2;
     const INPUT_COOKIE = 4;
     const INPUT_GP     = 3; // GET + POST
     const INPUT_GPC    = 7; // GET + POST + COOKIE
 
 
     /**
      * A wrapper for PHP's explode() that does not throw a warning
      * when the separator does not exist in the string
      *
      * @param string $separator Separator string
      * @param string $string    The string to explode
      *
      * @return array Exploded string. Still an array if there's no separator in the string
      */
     public static function explode($separator, $string)
     {
         if (strpos($string, $separator) !== false) {
             return explode($separator, $string);
         }
 
         return [$string, null];
     }
 
     /**
      * Helper method to set a cookie with the current path and host settings
      *
      * @param string $name      Cookie name
      * @param string $value     Cookie value
      * @param int    $exp       Expiration time
      * @param bool   $http_only HTTP Only
      */
     public static function setcookie($name, $value, $exp = 0, $http_only = true)
     {
         if (headers_sent()) {
             return;
         }
 
         $attrib             = session_get_cookie_params();
         $attrib['expires']  = $exp;
         $attrib['secure']   = $attrib['secure'] || self::https_check();
         $attrib['httponly'] = $http_only;
 
         // session_get_cookie_params() return includes 'lifetime' but setcookie() does not use it, instead it uses 'expires'
         unset($attrib['lifetime']);
 
         if (version_compare(PHP_VERSION, '7.3.0', '>=')) {
             // An alternative signature for setcookie supporting an options array added in PHP 7.3.0
             setcookie($name, $value, $attrib);
         }
         else {
             setcookie($name, $value, $attrib['expires'], $attrib['path'], $attrib['domain'], $attrib['secure'], $attrib['httponly']);
         }
     }
 
     /**
      * E-mail address validation.
      *
      * @param string $email     Email address
      * @param bool   $dns_check True to check dns
      *
      * @return bool True on success, False if address is invalid
      */
     public static function check_email($email, $dns_check = true)
     {
         // Check for invalid (control) characters
         if (preg_match('/\p{Cc}/u', $email)) {
             return false;
         }
 
         // Check for length limit specified by RFC 5321 (#1486453)
         if (strlen($email) > 254) {
             return false;
         }
 
         $pos = strrpos($email, '@');
         if (!$pos) {
             return false;
         }
 
         $domain_part = substr($email, $pos + 1);
         $local_part  = substr($email, 0, $pos);
 
         // quoted-string, make sure all backslashes and quotes are
         // escaped
         if (substr($local_part, 0, 1) == '"') {
             $local_quoted = preg_replace('/\\\\(\\\\|\")/','', substr($local_part, 1, -1));
             if (preg_match('/\\\\|"/', $local_quoted)) {
                 return false;
             }
         }
         // dot-atom portion, make sure there's no prohibited characters
         else if (preg_match('/(^\.|\.\.|\.$)/', $local_part)
             || preg_match('/[\\ ",:;<>@]/', $local_part)
         ) {
             return false;
         }
 
         // Validate domain part
         if (preg_match('/^\[((IPv6:[0-9a-f:.]+)|([0-9.]+))\]$/i', $domain_part, $matches)) {
             return self::check_ip(preg_replace('/^IPv6:/i', '', $matches[1])); // valid IPv4 or IPv6 address
         }
         else {
             // If not an IP address
             $domain_array = explode('.', $domain_part);
             // Not enough parts to be a valid domain
             if (count($domain_array) < 2) {
                 return false;
             }
 
             foreach ($domain_array as $part) {
                 if (!preg_match('/^((xn--)?([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part)) {
                     return false;
                 }
             }
 
             // last domain part (allow extended TLD)
             $last_part = array_pop($domain_array);
             if (strpos($last_part, 'xn--') !== 0
                 && (preg_match('/[^a-zA-Z0-9]/', $last_part) || preg_match('/^[0-9]+$/', $last_part))
             ) {
                 return false;
             }
 
             $rcube = rcube::get_instance();
 
             if (!$dns_check || !function_exists('checkdnsrr') || !$rcube->config->get('email_dns_check')) {
                 return true;
             }
 
             // Check DNS record(s)
             // Note: We can't use ANY (#6581)
             foreach (['A', 'MX', 'CNAME', 'AAAA'] as $type) {
                 if (checkdnsrr($domain_part, $type)) {
                     return true;
                 }
             }
         }
 
         return false;
     }
 
     /**
      * Validates IPv4 or IPv6 address
      *
      * @param string $ip IP address in v4 or v6 format
      *
      * @return bool True if the address is valid
      */
     public static function check_ip($ip)
     {
         return filter_var($ip, FILTER_VALIDATE_IP) !== false;
     }
 
     /**
      * Replacing specials characters to a specific encoding type
      *
      * @param string $str      Input string
      * @param string $enctype  Encoding type: text|html|xml|js|url
      * @param string $mode     Replace mode for tags: show|remove|strict
      * @param bool   $newlines Convert newlines
      *
      * @return string The quoted string
      */
     public static function rep_specialchars_output($str, $enctype = '', $mode = '', $newlines = true)
     {
         static $html_encode_arr = false;
         static $js_rep_table    = false;
         static $xml_rep_table   = false;
 
         if (!is_string($str)) {
             $str = strval($str);
         }
 
         // encode for HTML output
         if ($enctype == 'html') {
             if (!$html_encode_arr) {
                 $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);
                 unset($html_encode_arr['?']);
             }
 
             $encode_arr = $html_encode_arr;
 
             if ($mode == 'remove') {
                 $str = strip_tags($str);
             }
             else if ($mode != 'strict') {
                 // don't replace quotes and html tags
                 $ltpos = strpos($str, '<');
                 if ($ltpos !== false && strpos($str, '>', $ltpos) !== false) {
                     unset($encode_arr['"']);
                     unset($encode_arr['<']);
                     unset($encode_arr['>']);
                     unset($encode_arr['&']);
                 }
             }
 
             $out = strtr($str, $encode_arr);
 
             return $newlines ? nl2br($out) : $out;
         }
 
         // if the replace tables for XML and JS are not yet defined
         if ($js_rep_table === false) {
             $js_rep_table = $xml_rep_table = [];
             $xml_rep_table['&'] = '&amp;';
 
             // can be increased to support more charsets
             for ($c=160; $c<256; $c++) {
                 $xml_rep_table[chr($c)] = "&#$c;";
             }
 
             $xml_rep_table['"'] = '&quot;';
             $js_rep_table['"']  = '\\"';
             $js_rep_table["'"]  = "\\'";
             $js_rep_table["\\"] = "\\\\";
             // Unicode line and paragraph separators (#1486310)
             $js_rep_table[chr(hexdec('E2')).chr(hexdec('80')).chr(hexdec('A8'))] = '&#8232;';
             $js_rep_table[chr(hexdec('E2')).chr(hexdec('80')).chr(hexdec('A9'))] = '&#8233;';
         }
 
         // encode for javascript use
         if ($enctype == 'js') {
             return preg_replace(["/\r?\n/", "/\r/", '/<\\//'], ['\n', '\n', '<\\/'], strtr($str, $js_rep_table));
         }
 
         // encode for plaintext
         if ($enctype == 'text') {
             return str_replace("\r\n", "\n", $mode == 'remove' ? strip_tags($str) : $str);
         }
 
         if ($enctype == 'url') {
             return rawurlencode($str);
         }
 
         // encode for XML
         if ($enctype == 'xml') {
             return strtr($str, $xml_rep_table);
         }
 
         // no encoding given -> return original string
         return $str;
     }
 
     /**
      * Read input value and make sure it is a string.
      *
      * @param string $fname      Field name to read
      * @param int    $source     Source to get value from (see self::INPUT_*)
      * @param bool   $allow_html Allow HTML tags in field value
      * @param string $charset    Charset to convert into
      *
      * @return string Request parameter value
      * @see self::get_input_value()
      */
     public static function get_input_string($fname, $source, $allow_html = false, $charset = null)
     {
         $value = self::get_input_value($fname, $source, $allow_html, $charset);
 
         return is_string($value) ? $value : '';
     }
 
     /**
      * Read request parameter value and convert it for internal use
      * Performs stripslashes() and charset conversion if necessary
      *
      * @param string $fname      Field name to read
      * @param int    $source     Source to get value from (see self::INPUT_*)
      * @param bool   $allow_html Allow HTML tags in field value
      * @param string $charset    Charset to convert into
      *
      * @return string|array|null Request parameter value or NULL if not set
      */
     public static function get_input_value($fname, $source, $allow_html = false, $charset = null)
     {
         $value = null;
 
         if (($source & self::INPUT_GET) && isset($_GET[$fname])) {
             $value = $_GET[$fname];
         }
 
         if (($source & self::INPUT_POST) && isset($_POST[$fname])) {
             $value = $_POST[$fname];
         }
 
         if (($source & self::INPUT_COOKIE) && isset($_COOKIE[$fname])) {
             $value = $_COOKIE[$fname];
         }
 
         return self::parse_input_value($value, $allow_html, $charset);
     }
 
     /**
      * Parse/validate input value. See self::get_input_value()
      * Performs stripslashes() and charset conversion if necessary
      *
      * @param string $value      Input value
      * @param bool   $allow_html Allow HTML tags in field value
      * @param string $charset    Charset to convert into
      *
      * @return string Parsed value
      */
     public static function parse_input_value($value, $allow_html = false, $charset = null)
     {
         if (empty($value)) {
             return $value;
         }
 
         if (is_array($value)) {
             foreach ($value as $idx => $val) {
                 $value[$idx] = self::parse_input_value($val, $allow_html, $charset);
             }
 
             return $value;
         }
 
         // remove HTML tags if not allowed
         if (!$allow_html) {
             $value = strip_tags($value);
         }
 
         $rcube          = rcube::get_instance();
         $output_charset = is_object($rcube->output) ? $rcube->output->get_charset() : null;
 
         // remove invalid characters (#1488124)
         if ($output_charset == 'UTF-8') {
             $value = rcube_charset::clean($value);
         }
 
         // convert to internal charset
         if ($charset && $output_charset) {
             $value = rcube_charset::convert($value, $output_charset, $charset);
         }
 
         return $value;
     }
 
     /**
      * Convert array of request parameters (prefixed with _)
      * to a regular array with non-prefixed keys.
      *
      * @param int    $mode       Source to get value from (GPC)
      * @param string $ignore     PCRE expression to skip parameters by name
      * @param bool   $allow_html Allow HTML tags in field value
      *
      * @return array Hash array with all request parameters
      */
     public static function request2param($mode = null, $ignore = 'task|action', $allow_html = false)
     {
         $out = [];
         $src = $mode == self::INPUT_GET ? $_GET : ($mode == self::INPUT_POST ? $_POST : $_REQUEST);
 
         foreach (array_keys($src) as $key) {
             $fname = $key[0] == '_' ? substr($key, 1) : $key;
             if ($ignore && !preg_match('/^(' . $ignore . ')$/', $fname)) {
                 $out[$fname] = self::get_input_value($key, $mode, $allow_html);
             }
         }
 
         return $out;
     }
 
     /**
      * Convert the given string into a valid HTML identifier
      * Same functionality as done in app.js with rcube_webmail.html_identifier()
      *
      * @param string $str    String input
      * @param bool   $encode Use base64 encoding
      *
      * @param string Valid HTML identifier
      */
     public static function html_identifier($str, $encode = false)
     {
         if ($encode) {
             return rtrim(strtr(base64_encode($str), '+/', '-_'), '=');
         }
 
         return asciiwords($str, true, '_');
     }
 
     /**
      * Replace all css definitions with #container [def]
      * and remove css-inlined scripting, make position style safe
      *
      * @param string $source       CSS source code
      * @param string $container_id Container ID to use as prefix
      * @param bool   $allow_remote Allow remote content
      * @param string $prefix       Prefix to be added to id/class identifier
      *
      * @return string Modified CSS source
      */
     public static function mod_css_styles($source, $container_id, $allow_remote = false, $prefix = '')
     {
         $source   = self::xss_entity_decode($source);
 
         // No @import allowed
         // TODO: We should just remove it, not invalidate the whole content
         if (stripos($source, '@import') !== false) {
             return '/* evil! */';
         }
 
         // Incomplete style expression
         if (strpos($source, '{') === false) {
             return '/* invalid! */';
         }
 
         // To prevent from a double-escaping tricks we consider a script with
         // any escape sequences (after de-escaping them above) an evil script.
         // This probably catches many valid scripts, but we\'re on the safe side.
         if (preg_match('/\\\[0-9a-fA-F]{2}/', $source)) {
             return '/* evil! */';
         }
 
         // remove html comments
         $source = preg_replace('/(^\s*<\!--)|(-->\s*$)/m', '', $source);
 
         $url_callback = static function ($url) use ($allow_remote) {
             if (strpos($url, 'data:image') === 0) {
                 return $url;
             }
             if ($allow_remote && preg_match('|^https?://[a-z0-9/._+-]+$|i', $url)) {
                 return $url;
             }
         };
 
         $last_pos = 0;
         $replacements = new rcube_string_replacer();
 
         // cut out all contents between { and }
         while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) {
             $nested = strpos($source, '{', $pos+1);
             if ($nested && $nested < $pos2) { // when dealing with nested blocks (e.g. @media), take the inner one
                 $pos = $nested;
             }
             $length = $pos2 - $pos - 1;
             $styles = substr($source, $pos+1, $length);
             $styles = self::sanitize_css_block($styles, $url_callback);
 
             $key      = $replacements->add(strlen($styles) ? " {$styles} " : '');
             $repl     = $replacements->get_replacement($key);
             $source   = substr_replace($source, $repl, $pos+1, $length);
             $last_pos = $pos2 - ($length - strlen($repl));
         }
 
         // add #container to each tag selector and prefix to id/class identifiers
         if ($container_id || $prefix) {
             // Exclude rcube_string_replacer pattern matches, this is needed
             // for cases like @media { body { position: fixed; } } (#5811)
             $excl     = '(?!' . substr($replacements->pattern, 1, -1) . ')';
             $regexp   = '/(^\s*|,\s*|\}\s*|\{\s*)(' . $excl . ':?[a-z0-9\._#\*\[][a-z0-9\._:\(\)#=~ \[\]"\|\>\+\$\^-]*)/im';
             $callback = function($matches) use ($container_id, $prefix) {
                 $replace = $matches[2];
 
                 if (stripos($replace, ':root') === 0) {
                     $replace = substr($replace, 5);
                 }
 
                 if ($prefix) {
                     $replace = str_replace(['.', '#'], [".$prefix", "#$prefix"], $replace);
                 }
 
                 if ($container_id) {
                     $replace = "#$container_id " . $replace;
                 }
 
                 // Remove redundant spaces (for simpler testing)
                 $replace = preg_replace('/\s+/', ' ', $replace);
 
                 return str_replace($matches[2], $replace, $matches[0]);
             };
 
             $source = preg_replace_callback($regexp, $callback, $source);
         }
 
         // replace body definition because we also stripped off the <body> tag
         if ($container_id) {
             $regexp = '/#' . preg_quote($container_id, '/') . '\s+body/i';
             $source = preg_replace($regexp, "#$container_id", $source);
         }
 
         // put block contents back in
         $source = $replacements->resolve($source);
 
         return $source;
     }
 
     /**
      * Parse and sanitize single CSS block
      *
      * @param string    $styles       CSS styles block
      * @param ?callable $url_callback URL validator callback
      *
      * @return string
      */
     public static function sanitize_css_block($styles, $url_callback = null)
     {
         $output = [];
 
         // check every css rule in the style block...
         foreach (self::parse_css_block($styles) as $rule) {
             $property = $rule[0];
             $value = $rule[1];
 
             if ($property == 'page') {
                 // Remove 'page' attributes (#7604)
                 continue;
             } elseif ($property == 'position' && strcasecmp($value, 'fixed') === 0) {
                 // Convert position:fixed to position:absolute (#5264)
                 $value = 'absolute';
             } elseif (preg_match('/expression|image-set/i', $value)) {
                 continue;
             } else {
                 $value = '';
                 foreach (self::explode_css_property_block($rule[1]) as $val) {
                     if ($url_callback && preg_match('/^url\s*\(/i', $val)) {
                         if (preg_match('/^url\s*\(\s*[\'"]?([^\'"\)]*)[\'"]?\s*\)/iu', $val, $match)) {
                             if ($url = $url_callback($match[1])) {
                                 $value .= ' url(' . $url . ')';
                             }
                         }
                     } else {
                         // whitelist ?
                         $value .= ' ' . $val;
 
                         // #1488535: Fix size units, so width:800 would be changed to width:800px
                         if ($val
                             && preg_match('/^(left|right|top|bottom|width|height)/i', $property)
                             && preg_match('/^[0-9]+$/', $val)
                         ) {
                             $value .= 'px';
                         }
                     }
                 }
             }
 
             if (strlen($value)) {
                 $output[] = $property . ': ' . trim($value);
             }
         }
 
         return count($output) > 0 ? implode('; ', $output) . ';' : '';
     }
 
     /**
      * Explode css style. Property names will be lower-cased and trimmed.
      * Values will be trimmed. Invalid entries will be skipped.
      *
      * @param string $style CSS style
      *
      * @return array List of CSS rule pairs, e.g. [['color', 'red'], ['top', '0']]
      */
     public static function parse_css_block($style)
     {
         $pos = 0;
 
         // first remove comments
         while (($pos = strpos($style, '/*', $pos)) !== false) {
             $end = strpos($style, '*/', $pos+2);
 
             if ($end === false) {
                 $style = substr($style, 0, $pos);
             }
             else {
                 $style = substr_replace($style, '', $pos, $end - $pos + 2);
             }
         }
 
         // Replace new lines with spaces
         $style = preg_replace('/[\r\n]+/', ' ', $style);
 
         $style  = trim($style);
         $length = strlen($style);
         $result = [];
         $pos    = 0;
 
         while ($pos < $length && ($colon_pos = strpos($style, ':', $pos))) {
             // Property name
             $name = strtolower(trim(substr($style, $pos, $colon_pos - $pos)));
 
             // get the property value
             $q = $s = false;
             for ($i = $colon_pos + 1; $i < $length; $i++) {
                 if (($style[$i] == "\"" || $style[$i] == "'") && ($i == 0 || $style[$i-1] != "\\")) {
                     if ($q == $style[$i]) {
                         $q = false;
                     }
                     else if ($q === false) {
                         $q = $style[$i];
                     }
                 }
                 else if ($style[$i] == "(" && !$q && ($i == 0 || $style[$i-1] != "\\")) {
                     $q = "(";
                 }
                 else if ($style[$i] == ")" && $q == "(" && $style[$i-1] != "\\") {
                     $q = false;
                 }
 
                 if ($q === false && (($s = $style[$i] == ';') || $i == $length - 1)) {
                     break;
                 }
             }
 
             $value_length = $i - $colon_pos - ($s ? 1 : 0);
             $value        = trim(substr($style, $colon_pos + 1, $value_length));
 
             if (strlen($name) && !preg_match('/[^a-z-]/', $name) && strlen($value) && $value !== ';') {
                 $result[] = [$name, $value];
             }
 
             $pos = $i + 1;
         }
 
         return $result;
     }
 
     /**
      * Explode css style value
      *
      * @param string $style CSS style
      *
      * @return array List of CSS values
      */
     public static function explode_css_property_block($style)
     {
         $style = preg_replace('/\s+/', ' ', $style);
         $result = [];
         $strlen = strlen($style);
         $q = false;
 
         // explode value
         for ($p = $i = 0; $i < $strlen; $i++) {
             if (($style[$i] == '"' || $style[$i] == "'") && ($i == 0 || $style[$i - 1] != '\\')) {
                 if ($q == $style[$i]) {
                     $q = false;
                 } elseif (!$q) {
                     $q = $style[$i];
                 }
             }
 
             if (!$q && $style[$i] == ' ' && ($i == 0 || !preg_match('/[,\(]/', $style[$i - 1]))) {
                 $result[] = substr($style, $p, $i - $p);
                 $p = $i + 1;
             }
         }
 
         $result[] = (string) substr($style, $p);
 
         return $result;
     }
 
     /**
      * Generate CSS classes from mimetype and filename extension
      *
      * @param string $mimetype Mimetype
      * @param string $filename Filename
      *
      * @return string CSS classes separated by space
      */
     public static function file2class($mimetype, $filename)
     {
         $mimetype = strtolower($mimetype);
         $filename = strtolower($filename);
 
         list($primary, $secondary) = rcube_utils::explode('/', $mimetype);
 
         $classes = [$primary ?: 'unknown'];
 
         if (!empty($secondary)) {
             $classes[] = $secondary;
         }
 
         if (preg_match('/\.([a-z0-9]+)$/', $filename, $m)) {
             if (!in_array($m[1], $classes)) {
                 $classes[] = $m[1];
             }
         }
 
         return implode(' ', $classes);
     }
 
     /**
      * Decode escaped entities used by known XSS exploits.
      * See http://downloads.securityfocus.com/vulnerabilities/exploits/26800.eml for examples
      *
      * @param string $content CSS content to decode
      *
      * @return string Decoded string
      */
     public static function xss_entity_decode($content)
     {
         $callback = function($matches) { return chr(hexdec($matches[1])); };
 
         $out = html_entity_decode(html_entity_decode($content));
         $out = trim(preg_replace('/(^<!--|-->$)/', '', trim($out)));
         $out = preg_replace_callback('/\\\([0-9a-f]{2,6})\s*/i', $callback, $out);
         $out = preg_replace('/\\\([^0-9a-f])/i', '\\1', $out);
         $out = preg_replace('#/\*.*\*/#Ums', '', $out);
         $out = strip_tags($out);
 
         return $out;
     }
 
     /**
      * Check if we can process not exceeding memory_limit
      *
      * @param int $need Required amount of memory
      *
      * @return bool True if memory won't be exceeded, False otherwise
      */
     public static function mem_check($need)
     {
         $mem_limit = parse_bytes(ini_get('memory_limit'));
         $memory    = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
 
         return $mem_limit > 0 && $memory + $need > $mem_limit ? false : true;
     }
 
     /**
      * Check if working in SSL mode
      *
      * @param int  $port      HTTPS port number
      * @param bool $use_https Enables 'use_https' option checking
      *
      * @return bool True in SSL mode, False otherwise
      */
     public static function https_check($port = null, $use_https = true)
     {
         if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') {
             return true;
         }
 
         if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])
             && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https'
             && in_array($_SERVER['REMOTE_ADDR'], (array) rcube::get_instance()->config->get('proxy_whitelist', []))
         ) {
             return true;
         }
 
         if ($port && isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == $port) {
             return true;
         }
 
         if ($use_https && rcube::get_instance()->config->get('use_https')) {
             return true;
         }
 
         return false;
     }
 
     /**
      * Replaces hostname variables.
      *
      * @param string $name Hostname
      * @param string $host Optional IMAP hostname
      *
      * @return string Hostname
      */
     public static function parse_host($name, $host = '')
     {
         if (!is_string($name)) {
             return $name;
         }
 
         // %n - host
         $n = self::server_name();
         // %t - host name without first part, e.g. %n=mail.domain.tld, %t=domain.tld
         // If %n=domain.tld then %t=domain.tld as well (remains valid)
         $t = preg_replace('/^[^.]+\.(?![^.]+$)/', '', $n);
         // %d - domain name without first part (up to domain.tld)
         $d = preg_replace('/^[^.]+\.(?![^.]+$)/', '', self::server_name('HTTP_HOST'));
         // %h - IMAP host
         $h = !empty($_SESSION['storage_host']) ? $_SESSION['storage_host'] : $host;
         // %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld
         // If %h=domain.tld then %z=domain.tld as well (remains valid)
         $z = preg_replace('/^[^.]+\.(?![^.]+$)/', '', $h);
         // %s - domain name after the '@' from e-mail address provided at login screen.
         //      Returns FALSE if an invalid email is provided
         $s = '';
         if (strpos($name, '%s') !== false) {
             $user_email = self::idn_to_ascii(self::get_input_value('_user', self::INPUT_POST));
             $matches    = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s);
             if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) {
                 return false;
             }
             $s = $s[2];
         }
 
         return str_replace(['%n', '%t', '%d', '%h', '%z', '%s'], [$n, $t, $d, $h, $z, $s], $name);
     }
 
     /**
      * Returns the server name after checking it against trusted hostname patterns.
      *
      * Returns 'localhost' and logs a warning when the hostname is not trusted.
      *
      * @param string $type       The $_SERVER key, e.g. 'HTTP_HOST', Default: 'SERVER_NAME'.
      * @param bool   $strip_port Strip port from the host name
      *
      * @return string Server name
      */
     public static function server_name($type = null, $strip_port = true)
     {
         if (!$type) {
             $type = 'SERVER_NAME';
         }
 
         $name     = isset($_SERVER[$type]) ? $_SERVER[$type] : null;
         $rcube    = rcube::get_instance();
         $patterns = (array) $rcube->config->get('trusted_host_patterns');
 
         if (!empty($name)) {
             if ($strip_port) {
                 $name = preg_replace('/:\d+$/', '', $name);
             }
 
             if (empty($patterns)) {
                 return $name;
             }
 
             foreach ($patterns as $pattern) {
                 // the pattern might be a regular expression or just a host/domain name
                 if (preg_match('/[^a-zA-Z0-9.:-]/', $pattern)) {
                     if (preg_match("/$pattern/", $name)) {
                         return $name;
                     }
                 }
                 else if (strtolower($name) === strtolower($pattern)) {
                     return $name;
                 }
             }
 
             $rcube->raise_error([
                     'file' => __FILE__, 'line' => __LINE__,
                     'message' => "Specified host is not trusted. Using 'localhost'."
                 ]
                 , true, false
             );
         }
 
         return 'localhost';
     }
 
     /**
      * Returns remote IP address and forwarded addresses if found
      *
      * @return string Remote IP address(es)
      */
     public static function remote_ip()
     {
         $address = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
 
         // append the NGINX X-Real-IP header, if set
         if (!empty($_SERVER['HTTP_X_REAL_IP']) && $_SERVER['HTTP_X_REAL_IP'] != $address) {
             $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP'];
         }
 
         // append the X-Forwarded-For header, if set
         if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
             $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
         }
 
         if (!empty($remote_ip)) {
             $address .= ' (' . implode(',', $remote_ip) . ')';
         }
 
         return $address;
     }
 
     /**
      * Returns the real remote IP address
      *
      * @return string Remote IP address
      */
     public static function remote_addr()
     {
         // Check if any of the headers are set first to improve performance
         if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']) || !empty($_SERVER['HTTP_X_REAL_IP'])) {
             $proxy_whitelist = (array) rcube::get_instance()->config->get('proxy_whitelist', []);
             if (in_array($_SERVER['REMOTE_ADDR'], $proxy_whitelist)) {
                 if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
                     foreach (array_reverse(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])) as $forwarded_ip) {
                         $forwarded_ip = trim($forwarded_ip);
                         if (!in_array($forwarded_ip, $proxy_whitelist)) {
                             return $forwarded_ip;
                         }
                     }
                 }
 
                 if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
                     return $_SERVER['HTTP_X_REAL_IP'];
                 }
             }
         }
 
         if (!empty($_SERVER['REMOTE_ADDR'])) {
             return $_SERVER['REMOTE_ADDR'];
         }
 
         return '';
     }
 
     /**
      * Read a specific HTTP request header.
      *
      * @param string $name Header name
      *
      * @return string|null Header value or null if not available
      */
     public static function request_header($name)
     {
         if (function_exists('apache_request_headers')) {
             $headers = apache_request_headers();
             $key     = strtoupper($name);
         }
         else {
             $headers = $_SERVER;
             $key     = 'HTTP_' . strtoupper(strtr($name, '-', '_'));
         }
 
         if (!empty($headers)) {
             $headers = array_change_key_case($headers, CASE_UPPER);
 
             return isset($headers[$key]) ? $headers[$key] : null;
         }
     }
 
     /**
      * Explode quoted string
      *
      * @param string $delimiter Delimiter expression string for preg_match()
      * @param string $string    Input string
      *
      * @return array String items
      */
     public static function explode_quoted_string($delimiter, $string)
     {
         $result = [];
         $strlen = strlen($string);
 
         for ($q=$p=$i=0; $i < $strlen; $i++) {
             if ($string[$i] == "\"" && (!isset($string[$i-1]) || $string[$i-1] != "\\")) {
                 $q = $q ? false : true;
             }
             else if (!$q && preg_match("/$delimiter/", $string[$i])) {
                 $result[] = substr($string, $p, $i - $p);
                 $p = $i + 1;
             }
         }
 
         $result[] = (string) substr($string, $p);
 
         return $result;
     }
 
     /**
      * Improved equivalent to strtotime()
      *
      * @param string       $date     Date string
      * @param DateTimeZone $timezone Timezone to use for DateTime object
      *
      * @return int Unix timestamp
      */
     public static function strtotime($date, $timezone = null)
     {
         $date   = self::clean_datestr($date);
         $tzname = $timezone ? ' ' . $timezone->getName() : '';
 
         // unix timestamp
         if (is_numeric($date)) {
             return (int) $date;
         }
 
         // It can be very slow when provided string is not a date and very long
         if (strlen($date) > 128) {
             $date = substr($date, 0, 128);
         }
 
         // if date parsing fails, we have a date in non-rfc format.
         // remove token from the end and try again
         while (($ts = @strtotime($date . $tzname)) === false || $ts < 0) {
             if (($pos = strrpos($date, ' ')) === false) {
                 break;
             }
 
             $date = rtrim(substr($date, 0, $pos));
         }
 
         return (int) $ts;
     }
 
     /**
      * Date parsing function that turns the given value into a DateTime object
      *
      * @param string       $date     Date string
      * @param DateTimeZone $timezone Timezone to use for DateTime object
      *
      * @return DateTime|false DateTime object or False on failure
      */
     public static function anytodatetime($date, $timezone = null)
     {
         if ($date instanceof DateTime) {
             return $date;
         }
 
         $dt   = false;
         $date = self::clean_datestr($date);
 
         // try to parse string with DateTime first
         if (!empty($date)) {
             try {
                 $_date = preg_match('/^[0-9]+$/', $date) ? "@$date" : $date;
                 $dt    = $timezone ? new DateTime($_date, $timezone) : new DateTime($_date);
             }
             catch (Exception $e) {
                 // ignore
             }
         }
 
         // try our advanced strtotime() method
         if (!$dt && ($timestamp = self::strtotime($date, $timezone))) {
             try {
                 $dt = new DateTime("@".$timestamp);
                 if ($timezone) {
                     $dt->setTimezone($timezone);
                 }
             }
             catch (Exception $e) {
                 // ignore
             }
         }
 
         return $dt;
     }
 
     /**
      * Clean up date string for strtotime() input
      *
      * @param string $date Date string
      *
      * @return string Date string
      */
     public static function clean_datestr($date)
     {
         $date = trim($date);
 
         // check for MS Outlook vCard date format YYYYMMDD
         if (preg_match('/^([12][90]\d\d)([01]\d)([0123]\d)$/', $date, $m)) {
             return sprintf('%04d-%02d-%02d 00:00:00', intval($m[1]), intval($m[2]), intval($m[3]));
         }
 
         // Clean malformed data
         $date = preg_replace(
             [
                 '/\(.*\)/',                                 // remove RFC comments
                 '/GMT\s*([+-][0-9]+)/',                     // support non-standard "GMTXXXX" literal
                 '/[^a-z0-9\x20\x09:\/\.+-]/i',              // remove any invalid characters
                 '/\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s*/i',   // remove weekday names
             ],
             [
                 '',
                 '\\1',
                 '',
                 '',
             ],
             $date
         );
 
         $date = trim($date);
 
         // try to fix dd/mm vs. mm/dd discrepancy, we can't do more here
         if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})(\s.*)?$/', $date, $m)) {
             $mdy   = $m[2] > 12 && $m[1] <= 12;
             $day   = $mdy ? $m[2] : $m[1];
             $month = $mdy ? $m[1] : $m[2];
             $date  = sprintf('%04d-%02d-%02d%s', $m[3], $month, $day, isset($m[4]) ? $m[4]: ' 00:00:00');
         }
         // I've found that YYYY.MM.DD is recognized wrong, so here's a fix
         else if (preg_match('/^(\d{4})\.(\d{1,2})\.(\d{1,2})(\s.*)?$/', $date, $m)) {
             $date  = sprintf('%04d-%02d-%02d%s', $m[1], $m[2], $m[3], isset($m[4]) ? $m[4]: ' 00:00:00');
         }
 
         return $date;
     }
 
     /**
      * Turns the given date-only string in defined format into YYYY-MM-DD format.
      *
      * Supported formats: 'Y/m/d', 'Y.m.d', 'd-m-Y', 'd/m/Y', 'd.m.Y', 'j.n.Y'
      *
      * @param string $date   Date string
      * @param string $format Input date format
      *
      * @return string Date string in YYYY-MM-DD format, or the original string
      *                if format is not supported
      */
     public static function format_datestr($date, $format)
     {
         $format_items = preg_split('/[.-\/\\\\]/', $format);
         $date_items   = preg_split('/[.-\/\\\\]/', $date);
         $iso_format   = '%04d-%02d-%02d';
 
         if (count($format_items) == 3 && count($date_items) == 3) {
             if ($format_items[0] == 'Y') {
                 $date = sprintf($iso_format, $date_items[0], $date_items[1], $date_items[2]);
             }
             else if (strpos('dj', $format_items[0]) !== false) {
                 $date = sprintf($iso_format, $date_items[2], $date_items[1], $date_items[0]);
             }
             else if (strpos('mn', $format_items[0]) !== false) {
                 $date = sprintf($iso_format, $date_items[2], $date_items[0], $date_items[1]);
             }
         }
 
         return $date;
     }
 
     /**
      * Wrapper for idn_to_ascii with support for e-mail address.
      *
      * Warning: Domain names may be lowercase'd.
      * Warning: An empty string may be returned on invalid domain.
      *
      * @param string $str Decoded e-mail address
      *
      * @return string Encoded e-mail address
      */
     public static function idn_to_ascii($str)
     {
         return self::idn_convert($str, true);
     }
 
     /**
      * Wrapper for idn_to_utf8 with support for e-mail address
      *
      * @param string $str Decoded e-mail address
      *
      * @return string Encoded e-mail address
      */
     public static function idn_to_utf8($str)
     {
         return self::idn_convert($str, false);
     }
 
     /**
      * Convert a string to ascii or utf8 (using IDNA standard)
      *
      * @param string  $input  Decoded e-mail address
      * @param boolean $is_utf Convert by idn_to_ascii if true and idn_to_utf8 if false
      *
      * @return string Encoded e-mail address
      */
     public static function idn_convert($input, $is_utf = false)
     {
         if ($at = strpos($input, '@')) {
             $user   = substr($input, 0, $at);
             $domain = substr($input, $at + 1);
         }
         else {
             $user   = '';
             $domain = $input;
         }
 
         // Note that in PHP 7.2/7.3 calling idn_to_* functions with default arguments
         // throws a warning, so we have to set the variant explicitly (#6075)
         $variant = defined('INTL_IDNA_VARIANT_UTS46') ? INTL_IDNA_VARIANT_UTS46 : null;
         $options = 0;
 
         // Because php-intl extension lowercases domains and return false
         // on invalid input (#6224), we skip conversion when not needed
 
         if ($is_utf) {
             if (preg_match('/[^\x20-\x7E]/', $domain)) {
                 $options = defined('IDNA_NONTRANSITIONAL_TO_ASCII') ? IDNA_NONTRANSITIONAL_TO_ASCII : 0;
                 $domain  = idn_to_ascii($domain, $options, $variant);
             }
         }
         else if (preg_match('/(^|\.)xn--/i', $domain)) {
             $options = defined('IDNA_NONTRANSITIONAL_TO_UNICODE') ? IDNA_NONTRANSITIONAL_TO_UNICODE : 0;
             $domain  = idn_to_utf8($domain, $options, $variant);
         }
 
         if ($domain === false) {
             return '';
         }
 
         return $at ? $user . '@' . $domain : $domain;
     }
 
     /**
      * Split the given string into word tokens
      *
      * @param string $str     Input to tokenize
      * @param int    $minlen  Minimum length of a single token
      *
      * @return array List of tokens
      */
     public static function tokenize_string($str, $minlen = 2)
     {
         $expr = ['/[\s;,"\'\/+-]+/ui', '/(\d)[-.\s]+(\d)/u'];
         $repl = [' ', '\\1\\2'];
 
         if ($minlen > 1) {
             $minlen--;
             $expr[] = "/(^|\s+)\w{1,$minlen}(\s+|$)/u";
             $repl[] = ' ';
         }
 
         return array_filter(explode(" ", preg_replace($expr, $repl, $str)));
     }
 
     /**
      * Normalize the given string for fulltext search.
      * Currently only optimized for ISO-8859-1 and ISO-8859-2 characters; to be extended
      *
      * @param string $str      Input string (UTF-8)
      * @param bool   $as_array True to return list of words as array
      * @param int    $minlen   Minimum length of tokens
      *
      * @return string|array Normalized string or a list of normalized tokens
      */
     public static function normalize_string($str, $as_array = false, $minlen = 2)
     {
         // replace 4-byte unicode characters with '?' character,
         // these are not supported in default utf-8 charset on mysql,
         // the chance we'd need them in searching is very low
         $str = preg_replace('/('
             . '\xF0[\x90-\xBF][\x80-\xBF]{2}'
             . '|[\xF1-\xF3][\x80-\xBF]{3}'
             . '|\xF4[\x80-\x8F][\x80-\xBF]{2}'
             . ')/', '?', $str);
 
         // split by words
         $arr = self::tokenize_string($str, $minlen);
 
         // detect character set
         if (rcube_charset::convert(rcube_charset::convert($str, 'UTF-8', 'ISO-8859-1'), 'ISO-8859-1', 'UTF-8') == $str)  {
             // ISO-8859-1 (or ASCII)
             preg_match_all('/./u', 'äâàåáãæçéêëèïîìíñöôòøõóüûùúýÿ', $keys);
             preg_match_all('/./',  'aaaaaaaceeeeiiiinoooooouuuuyy', $values);
 
             $mapping = array_combine($keys[0], $values[0]);
             $mapping = array_merge($mapping, ['ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u']);
         }
         else if (rcube_charset::convert(rcube_charset::convert($str, 'UTF-8', 'ISO-8859-2'), 'ISO-8859-2', 'UTF-8') == $str) {
             // ISO-8859-2
             preg_match_all('/./u', 'ąáâäćçčéęëěíîłľĺńňóôöŕřśšşťţůúűüźžżý', $keys);
             preg_match_all('/./',  'aaaaccceeeeiilllnnooorrsssttuuuuzzzy', $values);
 
             $mapping = array_combine($keys[0], $values[0]);
             $mapping = array_merge($mapping, ['ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u']);
         }
 
         foreach ($arr as $i => $part) {
             $part = mb_strtolower($part);
 
             if (!empty($mapping)) {
                 $part = strtr($part, $mapping);
             }
 
             $arr[$i] = $part;
         }
 
         return $as_array ? $arr : implode(' ', $arr);
     }
 
     /**
      * Compare two strings for matching words (order not relevant)
      *
      * @param string $haystack Haystack
      * @param string $needle   Needle
      *
      * @return bool True if match, False otherwise
      */
     public static function words_match($haystack, $needle)
     {
         $a_needle  = self::tokenize_string($needle, 1);
         $_haystack = implode(' ', self::tokenize_string($haystack, 1));
         $valid     = strlen($_haystack) > 0;
         $hits      = 0;
 
         foreach ($a_needle as $w) {
             if ($valid) {
                 if (stripos($_haystack, $w) !== false) {
                     $hits++;
                 }
             }
             else if (stripos($haystack, $w) !== false) {
                 $hits++;
             }
         }
 
         return $hits >= count($a_needle);
     }
 
     /**
      * Parse commandline arguments into a hash array
      *
      * @param array $aliases Argument alias names
      *
      * @return array Argument values hash
      */
     public static function get_opt($aliases = [])
     {
         $args = [];
         $bool = [];
 
         // find boolean (no value) options
         foreach ($aliases as $key => $alias) {
             if ($pos = strpos($alias, ':')) {
                 $aliases[$key] = substr($alias, 0, $pos);
                 $bool[] = $key;
                 $bool[] = $aliases[$key];
             }
         }
 
         for ($i=1; $i < count($_SERVER['argv']); $i++) {
             $arg   = $_SERVER['argv'][$i];
             $value = true;
             $key   = null;
 
             if ($arg[0] == '-') {
                 $key = preg_replace('/^-+/', '', $arg);
                 $sp  = strpos($arg, '=');
 
                 if ($sp > 0) {
                     $key   = substr($key, 0, $sp - 2);
                     $value = substr($arg, $sp+1);
                 }
                 else if (in_array($key, $bool)) {
                     $value = true;
                 }
                 else if (
                     isset($_SERVER['argv'][$i + 1])
                     && strlen($_SERVER['argv'][$i + 1])
                     && $_SERVER['argv'][$i + 1][0] != '-'
                 ) {
                     $value = $_SERVER['argv'][++$i];
                 }
 
                 $args[$key] = is_string($value) ? preg_replace(['/^["\']/', '/["\']$/'], '', $value) : $value;
             }
             else {
                 $args[] = $arg;
             }
 
             if (!empty($aliases[$key])) {
                 $alias = $aliases[$key];
                 $args[$alias] = $args[$key];
             }
         }
 
         return $args;
     }
 
     /**
      * Safe password prompt for command line
      * from http://blogs.sitepoint.com/2009/05/01/interactive-cli-password-prompt-in-php/
      *
      * @param string $prompt Prompt text
      *
      * @return string Password
      */
     public static function prompt_silent($prompt = "Password:")
     {
         if (preg_match('/^win/i', PHP_OS)) {
             $vbscript  = sys_get_temp_dir() . 'prompt_password.vbs';
             $vbcontent = 'wscript.echo(InputBox("' . addslashes($prompt) . '", "", "password here"))';
             file_put_contents($vbscript, $vbcontent);
 
             $command  = "cscript //nologo " . escapeshellarg($vbscript);
             $password = rtrim(shell_exec($command));
             unlink($vbscript);
 
             return $password;
         }
 
         $command = "/usr/bin/env bash -c 'echo OK'";
 
         if (rtrim(shell_exec($command)) !== 'OK') {
             echo $prompt;
             $pass = trim(fgets(STDIN));
             echo chr(8)."\r" . $prompt . str_repeat("*", strlen($pass))."\n";
 
             return $pass;
         }
 
         $command  = "/usr/bin/env bash -c 'read -s -p \"" . addslashes($prompt) . "\" mypassword && echo \$mypassword'";
         $password = rtrim(shell_exec($command));
         echo "\n";
 
         return $password;
     }
 
     /**
      * Find out if the string content means true or false
      *
      * @param string $str Input value
      *
      * @return bool Boolean value
      */
     public static function get_boolean($str)
     {
         $str = strtolower($str);
 
         return !in_array($str, ['false', '0', 'no', 'off', 'nein', ''], true);
     }
 
     /**
      * OS-dependent absolute path detection
      *
      * @param string $path File path
      *
      * @return bool True if the path is absolute, False otherwise
      */
     public static function is_absolute_path($path)
     {
         if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
             return (bool) preg_match('!^[a-z]:[\\\\/]!i', $path);
         }
 
         return isset($path[0]) && $path[0] == '/';
     }
 
     /**
      * Resolve relative URL
      *
      * @param string $url Relative URL
      *
      * @return string Absolute URL
      */
     public static function resolve_url($url)
     {
         // prepend protocol://hostname:port
         if (!preg_match('|^https?://|', $url)) {
             $schema       = 'http';
             $default_port = 80;
 
             if (self::https_check()) {
                 $schema       = 'https';
                 $default_port = 443;
             }
 
             $host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : null;
             $port = isset($_SERVER['SERVER_PORT']) ? $_SERVER['SERVER_PORT'] : null;
 
             $prefix = $schema . '://' . preg_replace('/:\d+$/', '', $host);
             if ($port != $default_port && $port != 80) {
                 $prefix .= ':' . $port;
             }
 
             $url = $prefix . ($url[0] == '/' ? '' : '/') . $url;
         }
 
         return $url;
     }
 
     /**
      * Generate a random string
      *
      * @param int  $length String length
      * @param bool $raw    Return RAW data instead of ascii
      *
      * @return string The generated random string
      */
     public static function random_bytes($length, $raw = false)
     {
         $hextab  = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
         $tabsize = strlen($hextab);
 
         // Use PHP7 true random generator
         if ($raw && function_exists('random_bytes')) {
             return random_bytes($length);
         }
 
         if (!$raw && function_exists('random_int')) {
             $result = '';
             while ($length-- > 0) {
                 $result .= $hextab[random_int(0, $tabsize - 1)];
             }
 
             return $result;
         }
 
         $random = openssl_random_pseudo_bytes($length);
 
         if ($random === false && $length > 0) {
             throw new Exception("Failed to get random bytes");
         }
 
         if (!$raw) {
             for ($x = 0; $x < $length; $x++) {
                 $random[$x] = $hextab[ord($random[$x]) % $tabsize];
             }
         }
 
         return $random;
     }
 
     /**
      * Convert binary data into readable form (containing a-zA-Z0-9 characters)
      *
      * @param string $input Binary input
      *
      * @return string Readable output (Base62)
      * @deprecated since 1.3.1
      */
     public static function bin2ascii($input)
     {
         $hextab = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
         $result = '';
 
         for ($x = 0; $x < strlen($input); $x++) {
             $result .= $hextab[ord($input[$x]) % 62];
         }
 
         return $result;
     }
 
     /**
      * Format current date according to specified format.
      * This method supports microseconds (u).
      *
      * @param string $format Date format (default: 'd-M-Y H:i:s O')
      *
      * @return string Formatted date
      */
     public static function date_format($format = null)
     {
         if (empty($format)) {
             $format = 'd-M-Y H:i:s O';
         }
 
         if (strpos($format, 'u') !== false) {
             $dt = number_format(microtime(true), 6, '.', '');
 
             try {
                 $date = date_create_from_format('U.u', $dt);
                 $date->setTimeZone(new DateTimeZone(date_default_timezone_get()));
 
                 return $date->format($format);
             }
             catch (Exception $e) {
                 // ignore, fallback to date()
             }
         }
 
         return date($format);
     }
 
     /**
      * Parses socket options and returns options for specified hostname.
      *
      * @param array  &$options Configured socket options
      * @param string $host     Hostname
      */
     public static function parse_socket_options(&$options, $host = null)
     {
         if (empty($host) || empty($options)) {
             return;
         }
 
         // get rid of schema and port from the hostname
         $host_url = parse_url($host);
         if (isset($host_url['host'])) {
             $host = $host_url['host'];
         }
 
         // find per-host options
         if ($host && array_key_exists($host, $options)) {
             $options = $options[$host];
         }
     }
 
     /**
      * Get maximum upload size
      *
      * @return int Maximum size in bytes
      */
     public static function max_upload_size()
     {
         // find max filesize value
         $max_filesize = parse_bytes(ini_get('upload_max_filesize'));
         $max_postsize = parse_bytes(ini_get('post_max_size'));
 
         if ($max_postsize && $max_postsize < $max_filesize) {
             $max_filesize = $max_postsize;
         }
 
         return $max_filesize;
     }
 
     /**
      * Detect and log last PREG operation error
      *
      * @param array $error     Error data (line, file, code, message)
      * @param bool  $terminate Stop script execution
      *
      * @return bool True on error, False otherwise
      */
     public static function preg_error($error = [], $terminate = false)
     {
         if (($preg_error = preg_last_error()) != PREG_NO_ERROR) {
             $errstr = "PCRE Error: $preg_error.";
 
             if ($preg_error == PREG_BACKTRACK_LIMIT_ERROR) {
                 $errstr .= " Consider raising pcre.backtrack_limit!";
             }
             if ($preg_error == PREG_RECURSION_LIMIT_ERROR) {
                 $errstr .= " Consider raising pcre.recursion_limit!";
             }
 
             $error = array_merge(['code' => 620, 'line' => __LINE__, 'file' => __FILE__], $error);
 
             if (!empty($error['message'])) {
                 $error['message'] .= ' ' . $errstr;
             }
             else {
                 $error['message'] = $errstr;
             }
 
             rcube::raise_error($error, true, $terminate);
 
             return true;
         }
 
         return false;
     }
 
     /**
      * Generate a temporary file path in the Roundcube temp directory
      *
      * @param string $file_name String identifier for the type of temp file
      * @param bool   $unique    Generate unique file names based on $file_name
      * @param bool   $create    Create the temp file or not
      *
      * @return string temporary file path
      */
     public static function temp_filename($file_name, $unique = true, $create = true)
     {
         $temp_dir = rcube::get_instance()->config->get('temp_dir');
 
         // Fall back to system temp dir if configured dir is not writable
         if (!is_writable($temp_dir)) {
             $temp_dir = sys_get_temp_dir();
         }
 
         // On Windows tempnam() uses only the first three characters of prefix so use uniqid() and manually add the prefix
         // Full prefix is required for garbage collection to recognise the file
         $temp_file = $unique ? str_replace('.', '', uniqid($file_name, true)) : $file_name;
         $temp_path = unslashify($temp_dir) . '/' . RCUBE_TEMP_FILE_PREFIX . $temp_file;
 
         // Sanity check for unique file name
         if ($unique && file_exists($temp_path)) {
             return self::temp_filename($file_name, $unique, $create);
         }
 
         // Create the file to prevent possible race condition like tempnam() does
         if ($create) {
             touch($temp_path);
         }
 
         return $temp_path;
     }
 
     /**
      * Clean the subject from reply and forward prefix
      * 
      * @param string $subject Subject to clean
      * @param string $mode Mode of cleaning : reply, forward or both
      * 
      * @return string Cleaned subject
      */
     public static function remove_subject_prefix($subject, $mode = 'both')
     {
         $config = rcmail::get_instance()->config;
 
         // Clean subject prefix for reply, forward or both
         if ($mode == 'both') {
             $reply_prefixes = $config->get('subject_reply_prefixes', ['Re:']);
             $forward_prefixes = $config->get('subject_forward_prefixes', ['Fwd:', 'Fw:']);
             $prefixes = array_merge($reply_prefixes, $forward_prefixes);
         }
         else if ($mode == 'reply') {
             $prefixes = $config->get('subject_reply_prefixes', ['Re:']);
             // replace (was: ...) (#1489375)
             $subject = preg_replace('/\s*\([wW]as:[^\)]+\)\s*$/', '', $subject);
         }
         else if ($mode == 'forward') {
             $prefixes = $config->get('subject_forward_prefixes', ['Fwd:', 'Fw:']);
         }
 
         // replace Re:, Re[x]:, Re-x (#1490497)
         $pieces = array_map(function($prefix) {
             $prefix = strtolower(str_replace(':', '', $prefix));
             return "$prefix:|$prefix\[\d\]:|$prefix-\d:";
         }, $prefixes);
         $pattern = '/^('.implode('|', $pieces).')\s*/i';
         do {
             $subject = preg_replace($pattern, '', $subject, -1, $count);
         }
         while ($count);
 
         return trim($subject);
     }
 
     /**
-     * When proxy_protocol is configured for a connection type,
-     * generate the HAproxy style PROXY protocol header for injection
-     * into the TCP stream.
+     * Generates the HAproxy style PROXY protocol header for injection
+     * into the TCP stream, if configured.
+     *
      * http://www.haproxy.org/download/1.6/doc/proxy-protocol.txt
      * 
      * PROXY protocol headers must be sent before any other data is sent on the TCP socket.
      *
-     * @param array $conn_options preferences array which may contain proxy_protocol (generally {driver}_conn_options)
+     * @param array $options Preferences array which may contain proxy_protocol (generally {driver}_conn_options)
      *
-     * @return string proxy protocol header data, if enabled, otherwise empty string
+     * @return string Proxy protocol header data, if enabled, otherwise empty string
      */
-    public static function proxy_protocol_header($conn_options = null)
+    public static function proxy_protocol_header($options = null)
     {
-        if ($conn_options === null)
-        {
-            return "";
-        }
-        // verify that proxy_protocol option is present
-        if (is_array($conn_options) && array_key_exists('proxy_protocol', $conn_options)) {
-            if (is_array($conn_options['proxy_protocol'])) {
-                $proxy_protocol_version = $conn_options['proxy_protocol']['version'];
-                $proxy_protocol_options = $conn_options['proxy_protocol'];
-            }
-            else {
-                $proxy_protocol_version = $conn_options['proxy_protocol'];
-                $proxy_protocol_options = null;
-            }
-
-            $proxy_protocol_remote_addr = (array_key_exists('remote_addr', $proxy_protocol_options) ? $proxy_protocol_options['remote_addr'] : self::remote_addr() );
-            $proxy_protocol_remote_port = (array_key_exists('remote_port', $proxy_protocol_options) ? $proxy_protocol_options['remote_port'] : $_SERVER['REMOTE_PORT'] );
-            $proxy_protocol_local_addr = (array_key_exists('local_addr' ,$proxy_protocol_options) ? $proxy_protocol_options['local_addr'] : $_SERVER['SERVER_ADDR'] );
-            $proxy_protocol_local_port = (array_key_exists('local_port', $proxy_protocol_options) ? $proxy_protocol_options['local_port'] : $_SERVER['SERVER_PORT'] );
-            $proxy_protocol_ip_version = (strpos($proxy_protocol_remote_addr, ":") === false ? 4 : 6);
+        if (empty($options) || !is_array($options) || !array_key_exists('proxy_protocol', $options)) {
+            return '';
+        }
 
-            if ($proxy_protocol_version === 1) {
-                // text based PROXY protocol
+        if (is_array($options['proxy_protocol'])) {
+            $version = $options['proxy_protocol']['version'];
+            $options = $options['proxy_protocol'];
+        }
+        else {
+            $version = (int) $options['proxy_protocol'];
+            $options = [];
+        }
 
-                // PROXY protocol does not support dual IPv6+IPv4 type addresses, e.g. ::127.0.0.1
-                if ($proxy_protocol_ip_version === 6 && strpos($proxy_protocol_remote_addr, ".") !== false) {
-                    $proxy_protocol_remote_addr = inet_ntop(inet_pton($proxy_protocol_remote_addr));
-                }
-                if ($proxy_protocol_ip_version === 6 && strpos($proxy_protocol_local_addr, ".") !== false) {
-                    $proxy_protocol_local_addr = inet_ntop(inet_pton($proxy_protocol_local_addr));
-                }
+        $remote_addr = array_key_exists('remote_addr', $options) ? $options['remote_addr'] : self::remote_addr();
+        $remote_port = array_key_exists('remote_port', $options) ? $options['remote_port'] : $_SERVER['REMOTE_PORT'];
+        $local_addr  = array_key_exists('local_addr', $options) ? $options['local_addr'] : $_SERVER['SERVER_ADDR'];
+        $local_port  = array_key_exists('local_port', $options) ? $options['local_port'] : $_SERVER['SERVER_PORT'];
+        $ip_version  = strpos($remote_addr, ':') === false ? 4 : 6;
 
-                $proxy_protocol_text = "PROXY " . // protocol header
-                    ($proxy_protocol_ip_version === 6 ? "TCP6 " : "TCP4 ") . // IP version type
-                    $proxy_protocol_remote_addr .
-                    " " .
-                    $proxy_protocol_local_addr .
-                    " " .
-                    $proxy_protocol_remote_port .
-                    " " .
-                    $proxy_protocol_local_port .
-                    "\r\n";
-                return $proxy_protocol_text;
+        // Text based PROXY protocol
+        if ($version == 1) {
+            // PROXY protocol does not support dual IPv6+IPv4 type addresses, e.g. ::127.0.0.1
+            if ($ip_version === 6 && strpos($remote_addr, '.') !== false) {
+                $remote_addr = inet_ntop(inet_pton($remote_addr));
             }
-            else if ($proxy_protocol_version === 2) {
-                // binary PROXY protocol
-                $proxy_protocol_bin = pack("H*", "0D0A0D0A000D0A515549540A" . // protocol header
-                    "21" . // protocol version and command
-                    ($proxy_protocol_ip_version === 6 ? "2" : "1") . // IP version type
-                    "1"); // TCP
-                $proxy_protocol_addr = inet_pton($proxy_protocol_remote_addr) .
-                    inet_pton($proxy_protocol_local_addr) .
-                    pack("n", $proxy_protocol_remote_port) .
-                    pack("n", $proxy_protocol_local_port);
-                $proxy_protocol_bin .= pack("n", strlen($proxy_protocol_addr)) . $proxy_protocol_addr;
-                return $proxy_protocol_bin;
-            }
-            else {
-                // unknown proxy protocol version
-                return "";
+            if ($ip_version === 6 && strpos($local_addr, '.') !== false) {
+                $local_addr = inet_ntop(inet_pton($local_addr));
             }
+
+            return "PROXY TCP{$ip_version} {$remote_addr} {$local_addr} {$remote_port} {$local_port}\r\n";
         }
-        return "";
+
+        // Binary PROXY protocol
+        if ($version == 2) {
+            $addr = inet_pton($remote_addr) . inet_pton($local_addr) . pack('n', $remote_port) . pack('n', $local_port);
+            $head = implode([
+                    '0D0A0D0A000D0A515549540A',     // protocol header
+                    '21',                           // protocol version and command
+                    $ip_version === 6 ? '2' : '1',  // IP version type
+                    '1'                             // TCP
+            ]);
+
+            return pack('H*', $head) . pack('n', strlen($addr)) . $addr;
+        }
+
+        return '';
     }
 }