On 2.3.2012, at 4.14, Stephen Davies wrote: > My mail log has many entries like: > > Mar 2 12:34:13 server dovecot: imap(john): Error: Log synchronization error > at seq=2,offset=4264 for /home/john/Mail/INBOX/.imap/SMS > Emails/dovecot.index: > Extension header update points outside header size
What filesystem is this? Are you using NFS or some other remote/shared filesystem? Do these messages repeat more than once for the same mailbox? Have you recently upgraded from Dovecot v1.x?
