- 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).
+ - Added smtp_authenticate 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.