On Wed, 2010-04-28 at 10:46 -0400, Erik Kratzenberg wrote: > > > -Dovecot.log : Mar 29 11:00:06 Error: POP3(user_login): > > > Couldn't init INBOX: Mailbox isn't a valid mbox > > > -The mailbox start with either 'FFrom or 'FrFrom' > > > We're having the same issues on our servers here and it > oddly started at exactly the same time (March 20th or so) > with no changes made by us.
How often do they happen? If it really is related to time, the only thing I can think of is that daylight saving time changed, which increased/decreased some timestamp string and broke some length calculation.. > We've upgraded to the latest Dovecot 1.2.11 and are using > Dovecot 'deliver' exclusively. Tried setting > fsync_disable=no, but the problem persists. You could try mbox_lazy_writes=no and mbox_dirty_syncs=no, although disabling lazy writing makes the performance worse. Let me know if those fix it..
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