Hi, I have had some problem with duplicate emails using dovecot1.0alpha5using the prebuilt testing binaries on a debian stable/testing 3.1system. I am running both pop3d and imap, but all users are just usingpop3d. I am using mbox format. Users are using Thunderbird 1.5 to access emails. Dotlocks are used,postfix is the email agent. Note that dovecot/[postfix are running in avserver.

In debugging the dovecot log, it seems to me that dovecot thinks thatit is deleting the messages, but actually nothing is happening.

here is a log of a user logging in and what happens after logging out:

dovecot: 2006-01-20 21:41:04 Info: pop3-login: Login:user=user2@example.org, method=PLAIN, rip=10.8.0.6,lip=192.168.99.5, TLS

dovecot: 2006-01-20 21:41:04 Error: pop3(user2@example.org): mbox sync:Expunged message reappeared in mailbox /home/vmail/user2@example.org(UID 5668 < 5691, seq=2, idx_msgs=0)

dovecot: 2006-01-20 21:45:33 Info: pop3(user2@example.org): Logout.top=0/0, retr=20/ del=20/20, size=29362389

a quick check show that mbox size has not been changed -- none of the20/20 files have been deleted, even though dovecot states del=20/20 !

Mboxes grow quite large, sometime the problem resolves itself. Interestingly, if I stop dovecot and restart it, on the next access to pop3 all of the messages are deleted correctly and the mboxreturns to the default size.

Any ideas?

Andy

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