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<HTML><HEAD>
<TITLE>Cyrus IMAP Server Release Information</TITLE>
<!-- $Id: readme.html,v 1.13 2001/08/10 18:32:16 ken3 Exp $ -->
</HEAD><BODY>
<H1> Cyrus IMAP Server Release Information</H1>
IMAP (Internet Message Access Protocol) is an Internet standards-track
protocol for accessing messages (mail, bboards, news, etc). The Cyrus
IMAP server differs from other IMAP server implementations in that it
is generally intended to be run on "sealed" servers, where normal
users are not permitted to log in. The mailbox database is stored in
parts of the filesystem that are private to the Cyrus IMAP system.
All user access to mail is through the IMAP, POP3, or KPOP protocols.
<P> The private mailbox database design gives the server large
advantages in efficiency, scalability, and administratability.
Multiple concurrent read/write connections to the same mailbox are
permitted. The server supports access control lists on mailboxes and
storage quotas on mailbox hierarchies.
<h2>Features</h2>
<P> The Cyrus server supports the IMAP4rev1 protocol described in RFC
2060. IMAP4rev1 has been approved as a proposed standard.
<P> Character sets supported for searching are: us-ascii, iso-8859-1,
iso-8859-2, iso-8859-3, iso-8859-4, iso-8859-5, iso-8859-6,
iso-8859-7, iso-8859-8, iso-8859-9, koi8-r, and iso-2022-jp. The
character mapping tables most likely contain errors.
<P> The server supports any authentication mechanism available from
the SASL library. Currently, support includes: KERBEROS_V4, GSSAPI,
CRAM-MD5, DIGEST-MD5, PLAIN, and STARTTLS.
<p> The server supports imaps/pop3s (IMAP/POP3 encrypted using SSL).
<p> The server makes an attempt to do single instance store where
possible when an email message is addressed to multiple recipients.
<p>We current support the following IMAP capabilities:
<tt>
IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS ID
NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND SORT
THREAD=ORDEREDSUBJECT THREAD=REFERENCES IDLE STARTTLS</tt>.
<p> The server supports SIEVE for server side email filtering.
<h2>Upgrade Caveats</h2>
This section reserved for WARNING WARNING WARNING comments.
<h2>Installation Overview</h2>
<P> This system should be expected to have the same order-of-magnitude
installation complexity as a netnews system. Maintenance should have
similar complexity, except administrators will have to deal with <A
HREF="cyradm.1.html">creation and deletion of users</A> and will have
the option of managing quotas and access control lists.
<p>This package is distributed as a source only release. It is
expected that you can compile and configure software. Installation
instructions are in the <a
href="install.html">install.html</a>. Please be sure to read
this document.
<p>A detailed overview of the server is available in <a
href="overview.html">overview.html</a>.
<P> This server has been successfully installed on a number of Unix
systems. We run the software under SPARC Solaris 2.7. Please refer
to <a href="os.html">os.html</a> for operating system specific issues.
<h2>Server Notes</h2>
<P> The mailbox namespace is like that for netnews--hierarchical names
separated by the "<tt>.</tt>" character. Mailboxes without a parent
may only be created by an administrator. Mailboxes with a parent may
be created as the ACL (Access Control List) on the parent mailbox
permits.
<P> Users' personal mailboxes are under the "<tt>user</tt>" hierarchy.
The names of the personal mailboxes for user "<tt>bovik</tt>" all
start with the prefix "<tt>user.bovik.</tt>". The mailbox
"<tt>user.bovik</tt>" is special in that it is presented to user
"<tt>bovik</tt>" as if it were named "<tt>INBOX</tt>". Creating the
mailbox "<tt>user.bovik</tt>" is equivalent to creating an account for
user "<tt>bovik</tt>"--it permits "<tt>bovik</tt>" to receive mail,
create personal mailboxes, and subscribe to mailboxes. Deleting the
mailbox "<tt>user.bovik</tt>" has the special-case side-effect of
deleting all mailboxes starting with "<tt>user.bovik.</tt>" and of
deleting the subscriptions for "<tt>bovik</tt>."
<h2>Licensing Information</h2>
The following copyright applies to the code:
<pre>
* Copyright (c) 1994-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
</pre>
<p>If you find this software useful and valuable in your work, we
would welcome any support you can offer toward continuing this work.
We gratefully accept contributions, whether intellectual or monetary.
Intellectual contributions in the form of code or constructive
collaboration can be directed via the <a href="feedback.html">feedback
page</a>.
<p>If you wish to provide financial support to the Cyrus Project,
send a check payable to "Carnegie Mellon University" to
<pre>
Project Cyrus
Computing Services
Carnegie Mellon University
5000 Forbes Ave
Pittsburgh, PA 15213
USA
</pre>
<h2>Summary</h2>
<p>If you want to install the server, be sure to read the installation
instructions in <a
href="install.html">install.html</a>.
<p>More details about the server implementation is in the <a
href="overview.html">server overview</a> document.
<p>Please refer to <a href="feedback.html">Sending Feedback</a> if you
would like to submit a bug, feature request or (best of all) patch.
<p>There is a mailing list. See the <a
href="mailing-list.html">mailing list</a> document for details.
<p>A list of known problems can be found in the <a
href="bugs.html">bugs</a> file.
<p><a href="http://www.ora.com">O'Reilly</a> has a book out named<a
href="http://www.oreilly.com/catalog/mimap/">Managing IMAP</a>. While
the book does not directly talk about the 2.0 code base, it
provides very good information on the configuration and
setup that can be applied to the newer code.
<P><HR>
last modified: 2001/08/03 21:18:05
<br>
<A HREF="index.html">Return</A> to the Cyrus IMAP Server Home Page
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