[Dovecot] Doubled mails and UIDs

[Timo Sirainen]

On Mon, 2007-03-19 at 15:39 +0100, Adam Lackorzynski wrote:
> I'm still seeing mails being downloaded twice via POP3 in my setup,
> running rc27. The log file shows:
> 
> dovecot: Mar 18 22:08:05 Error: POP3(joe): mbox sync: UID inserted in the middle of mailbox /home/joe/Mail/INBOX (442671 > 80, seq=10, idx_msgs=153)

Show me your dovecot -n output? Where are the index files located?

> Is there a problem if an incoming message already contains an X-UID
> header? Might it be worthwhile to remove this header when mails are
> being delivered (e.g. with procmail)?

Yes, it's a good idea and it might fix this problem, but I don't know
any specific bugs that would cause invalid X-UID header to be used.

http://wiki.dovecot.org/MboxProblems has more information about this.

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