[Dovecot] Mbox corruption - Inbox beginning with 'FFrom' or 'FrFrom'

[Timo Sirainen]

On Mon, 2010-07-26 at 12:47 -0400, Erik Kratzenberg wrote:
> > On Tue, 2010-07-20 at 08:42 -0400, Erik Kratzenberg wrote:
> >> I experienced this today with my own IMAP folder, so maybe being able to
> >> offer a more specific order of events will help.  Also not sure if I
> >> previously mentioned that this is occasionally happening with IMAP
> >> folders even though it's much more common under POP3.
> >>
> >> 1) I had just cleaned out my Junk folder.
> >> 2) Two messages were received without error.
> >
> > So basically what POP3 clients usually do, delete everything. Does the
> > mailbox have the "FOLDER INTERNAL DATA" message at the beginning?
> 
> It did not and still doesn't, after having more messages received.

If you delete all messages from mailbox, INTERNAL DATA message doesn't
show up there? The mbox file size becomes zero? If so, it doesn't sound
like you're really using Dovecot v1.x..