I found a bug with IMAP (Dovecot, own server, has been working for a long time now...).
Mark a folder as read (Ctrl+M). When a new mail arrives, all mails are unread again. ________________________________________________________ Current beta is 5.4.8.0 | 'Using TBBETA' information: http://www.silverstones.com/thebat/TBUDLInfo.html