Anyone have a hint as to how I might successfully debug this problem? Dec 6 11:19:38 aurora dovecot: IMAP(doug): Corrupted index cache file /home/doug/Maildir/dovecot.index.cache: record list is circular Dec 6 11:20:02 aurora dovecot: IMAP(doug): msync() failed with index file /home/doug/Maildir/dovecot.index: Invalid argument (w/test56) Thanks, Doug