On Mon, 2010-09-06 at 11:11 +0200, Luca Palazzo wrote: > Sep 6 10:51:31 10.97.1.33 dovecot: imap(xxxxxx at unict.it): Warning: > /virtual1/unict.it/g/xxxxxx//Maildir/dovecot-uidlist: Duplicate file > entry at line 883: 1277948239.M332097P873 Hmmh. See if http://hg.dovecot.org/dovecot-2.0/rev/e2a267b64619 changes the behavior?