- Forced addition of a file suffix to attachments that lack a filename
(helps forwarded messages avoid spam filters) (Thanks to Petr
Kletecka) (#3139004).
+ - Added smtp_auth hook (Thanks to Emmanuel Dreyfus).
+ - Allow administrators to configure subfolders of user INBOXes to be
+ treated as special folders by adding $subfolders_of_inbox_are_special
+ to config_local.php.
+ - Added clickjacking protection (thanks to Asbjorn Thorsen and Geir Hansen
+ for bringing this to our attention). [CVE-2010-4554]
Version 1.5.1 (branched on 2006-02-12)
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