offlineimap does not delete messages on server

[ael]

On Wed, May 18, 2011 at 08:58:51PM +0100, ael wrote:
> > behaving weirdly, as if they were not being properly sync'ed with the IMAP
> > servers. I move all my read messages to to local folders (not handled by
> > offlineimap). But when sync again with offlineimap, those messages come back to
> > my INBOX: it seems offlineimap did not delete them on the server, or did not
> > perceived the fact that they were deleted locally.
> 
> I am seeing something a bit similar here. Also debian 6.3.3-3.
> The odd thing is that I have upgraded offlineimap to 6.3.3-3 on two
> 386 boxes, but see the problem on only one box, and (so far) on only
> 1 email account (I have several).

I am now seeing the problem on several accounts. Using -1 seems to cure
things on Gmail accounts, but seems to lead to a deadlock when syncing
with an exchange server. All worked on previous versions.

ael