diff --git a/src/config/imap.php b/src/config/imap.php
index f9f485ae..4a2ada8b 100644
--- a/src/config/imap.php
+++ b/src/config/imap.php
@@ -1,75 +1,79 @@
 <?php
 
 if (!function_exists("imap_defaultFolders")) {
     function imap_defaultFolders() {
         $folders = [
             'Drafts' => [
                 'metadata' => [
                     '/private/vendor/kolab/folder-type' => 'mail.drafts',
+                    '/private/specialuse' => '\Drafts',
                 ],
             ],
             'Sent' => [
                 'metadata' => [
                     '/private/vendor/kolab/folder-type' => 'mail.sentitems',
+                    '/private/specialuse' => '\Sent',
                 ],
             ],
             'Trash' => [
                 'metadata' => [
                     '/private/vendor/kolab/folder-type' => 'mail.wastebasket',
+                    '/private/specialuse' => '\Trash',
                 ],
             ],
             'Spam' => [
                 'metadata' => [
                     '/private/vendor/kolab/folder-type' => 'mail.junkemail',
+                    '/private/specialuse' => '\Junk',
                 ],
             ],
         ];
         if (env('IMAP_WITH_GROUPWARE_DEFAULT_FOLDERS', true)) {
             $folders = array_merge($folders, [
                 'Calendar' => [
                     'metadata' => [
                         '/private/vendor/kolab/folder-type' => 'event.default',
                         '/shared/vendor/kolab/folder-type' => 'event',
                     ],
                 ],
                 'Contacts' => [
                     'metadata' => [
                         '/private/vendor/kolab/folder-type' => 'contact.default',
                         '/shared/vendor/kolab/folder-type' => 'event',
                     ],
                 ],
                 'Tasks' => [
                     'metadata' => [
                         '/private/vendor/kolab/folder-type' => 'task.default',
                         '/shared/vendor/kolab/folder-type' => 'task',
                     ],
                 ],
                 'Notes' => [
                     'metadata' => [
                         '/private/vendor/kolab/folder-type' => 'note.default',
                         '/shared/vendor/kolab/folder-type' => 'note',
                     ],
                 ],
                 'Files' => [
                     'metadata' => [
                         '/private/vendor/kolab/folder-type' => 'file.default',
                         '/shared/vendor/kolab/folder-type' => 'file',
                     ],
                 ],
             ]);
         }
         return $folders;
     }
 }
 
 return [
     'uri' => env('IMAP_URI', 'ssl://kolab:11993'),
     'admin_login' => env('IMAP_ADMIN_LOGIN', 'cyrus-admin'),
     'admin_password' => env('IMAP_ADMIN_PASSWORD', null),
     'verify_peer' => env('IMAP_VERIFY_PEER', true),
     'verify_host' => env('IMAP_VERIFY_HOST', true),
     'host' => env('IMAP_HOST', '172.18.0.5'),
     'imap_port' => env('IMAP_PORT', 12143),
     'guam_port' => env('IMAP_GUAM_PORT', 9143),
     'default_folders' => imap_defaultFolders()
 ];