-- Fix mark popup in IE 7 (#1485369)
-- Fix line-break issue when copy & paste in Firefox (#1485425)
-- Fix autocomplete "unknown server error" (#1485637)
-- Fix STARTTLS before AUTH in SMTP connection (#1484883)
-- Support multiple quota values in QUOTAROOT resonse (#1485626)
-- Only abbreviate file name for IE < 7 browsers (#1485063)
-- Performance: allow setting imap rootdir and delimiter before connect (#1485172)
-- Fix sorting of folders with more than 2 levels (#1485569)
-- Fix search results page jumps in LDAP addressbook (#1485253)
-- Fix empty line before the signature in IE (#1485351)
-- Fix horizontal scrollbar in preview pane on IE (#1484633)
-- Add Robots meta tag in login page and installer (#1484846)
-- Added 'show_images' option, removed 'addrbook_show_images' (#1485597)
-- Option to check for new mails in all folders (#1484374)
-- Don't set client busy when checking for new messages (#1485276)
-- Allow UTF-8 folder names in config (#1485579)
-- Add junk_mbox option configuration in installer (#1485579)
-- Do serverside addressbook queries for autocompletion (#1485531)
-- Allow setting attachment col position in 'list_cols' option
-- Allow override 'list_cols' via skin (#1485577)
-- Fix 'cache' table cleanup on session destroy (#1485516)
-- Increase speed of session destroy and garbage clean up
-- Fix session timeout when DB server got clock skew (#1485490)
-- Fix handling of some malformed messages (#1484438)
-- Speed up raw message body handling
-- Better HTML entities conversion in html2text (#1485519)
-- Fix big memory consumption and speed up searching on servers without SORT capability
-- Fix setting locale to tr_TR, ku and az_AZ (#1485470)
-- Use SORT for searching on servers with SORT capability
-- Added message status filter
-- Fix empty file sending (#1485389)
-- Improved searching with many criterias (calling one SEARCH command)
-- Fix HTML editor initialization on IE (#1485304)
-- Add warning when switching editor mode from html to plain (#1485488)
-- Make identities list scrollable (#1485538)
-- Fix problem with numeric folder names (#1485527)
-- Added BYE response simple support to prevent from endless loops in imap.inc (#1483956)
-- Fix unread message unintentionally marked as read if read_when_deleted=true (#1485409)
-- Remove port number from SERVER_NAME in smtp_helo_host (#1485518)
-- Don't send disposition notification receipts for messages marked as 'read' (#1485523)
-- Added 'keep_alive' and 'min_keep_alive' options (#1485360)
-- Added option 'identities_level', removed 'multiple_identities'
-- Allow deleting identities when multiple_identities=false (#1485435)
-- Added option focus_on_new_message (#1485374)
-- Fix html2text class autoloading on Windows (#1485505)
-- Fix html signature formatting when identity save error occured (#1485426)
-- Add feedback and set busy when moving folder (#1485497)
-- Fix 'Empty' link visibility for some languages e.g. Slovak (#1485489)
-- Fix messages count bar overlapping (#1485270)
-- Fix adding signature in drafts compose mode (#1485484)
-- Fix iil_C_Sort() to support very long and/or divided responses (#1485283)
-- Fix matching case sensitivity when setting identity on reply (#1485480)
-- Prefer default identity on reply
-- Fix imap searching on ISMail server (#1485466)
-- Add css class for flagged messages (#1485464)
-- Write username instead of id in sendmail log (#1485477)
-- Fix htmlspecialchars() use for PHP version < 5.2.3 (#1485475)
-- Fix js keywords escaping in json_serialize() for IE/Opera (#1485472)
-- Added bin/killcache.php script (#1485434)
-- Add support for SJIS, GB2312, BIG5 in rc_detect_encoding()
-- Fix vCard file encoding detection for non-UTF-8 strings (#1485410)
-- Add 'skip_deleted' option in User Preferences (#1485445)
-- Minimize "inline" javascript scripts use (#1485433)
-- Fix css class setting for folders with names matching defined classes names (#1485355)
-- Fix race conditions when changing mailbox
-- Fix spellchecking when switching to html editor (#1485362)
-- Fix compose window width/height (#1485396)
-- Allow calling msgimport.sh/msgexport.sh from any directory (#1485431)
-- Localized filesize units (#1485340)
-- Better handling of "no identity" and "no email in identity" situations (#1485117)
-- Added 'mime_param_folding' option with possibility to choose long/non-ascii attachment names encoding eg. to be readable in MS Outlook/OE (#1485320)
-- Added "advanced options" feature in User Preferences
-- Fix unread counter when displaying cached massage in preview panel (#1485290)
-- Fix htmleditor spellchecking on MS Windows (#1485397)
-- Fix problem with non-ascii attachment names in Mail_mime (#1485267, #1485096)
-- Fix language autodetection (#1485401)
-- Fix button label in folders management (#1485405)
-- Fix collapsed folder not indicating unread msgs count of all subfolders (#1485403)
-- Fix handling of apostrophes in filenames decoded according to rfc2231
+RELEASE 0.5.1
+-------------
+- Fix handling of attachments with invalid content type (#1487767)
+- Add workaround for DBMail's bug http://www.dbmail.org/mantis/view.php?id=881 (#1487766)
+- 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 (#1487740)
+- Fix ICANN example addresses doesn't validate (#1487742)
+- Security: protect login form submission from CSRF
+- Security: prevent from relaying malicious requests through modcss.inc
+- Fix handling of non-image attachments in multipart/related messages (#1487750)
+- Fix IDNA support when IDN/INTL modules are in use (#1487742)
+- Fix handling of invalid HTML comments in messages (#1487759)
+- Fix parsing FETCH response for very long headers (#1487753)
+- Fix add/remove columns in message list when message_sort_order isn't set (#1487751)
+- Fix settings UI on IE 6 (#1487724)
+- Remove double borders in folder listing (#1487713)
+- Separate full message headers UI element from headers table (#1487715)
+- Add part MIME ID to message_part_* hooks (#1487718)
+- 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. (#1487673)
+- Show full mail subject as title when hovering a cut subject link (#1487128)
+- Fix randomly disappearing folders list in IE (#1487704)
+- Fix list column add/removal in IE (#1487703)
+- Fix login redirect issues (#1487686)
+- Require PHP 5.2.1 or greater
+- Fix %h/%z variables in username_domain option (#1487701)
+- Workaround for setting charset in case of malformed bodystructure response (#1487700)
+- Fix impossible to subscribe to protected folders (#1487656)
+- Fix setting timezone in Preferences (#1487705)