[Dovecot] double mail

Tue Nov 2 16:47:39 EET 2010

On Tue, 2010-11-02 at 14:59 +0100, Marcin wrote:

> I installed new mail server postfix + dovecot with beckend in postgresql. But when users not deleted mail from server then received all mails from maildir a few everyday..In dovecot logs I can't see any problem. He use outlook or thunderbird with pop3. What is problem whit this?

Probably Outlook bug. Probably changing pop3_uidl_format would help,
although then all your POP3 users will redownload all mails.
http://wiki.dovecot.org/POP3Server#UIDL_format