On 10.1.2011, at 18.28, Andi Meier wrote: > The problem in my OP seems to be this log message: > > mbox sync: UID inserted in the middle of mailbox /var/mail/office (3938 > > 3918, seq=2, idx_msgs=10) > > which appears from time to time. Every time it occurs, all mails are fetches > again.
Yep. > I guess that's because all X-UID have now been replaced and the E-Mail Client > (or Dovecot itself??) thinks they are all new. Dovecot thinks that. http://wiki.dovecot.org/MboxProblems talks about the possible reasons. > What can I do about this? How can I diagnose this? > >> Dovecot version is 1.0.15 on Debian Lenny. It's also possible that there's a bug that causes this. You could try v1.2 from Debian backports. And finally, one sure way to get rid of mbox problems is to switch to maildir.