[Dovecot] "Can't sync delivery mail"

[Rich Winkel]

On Sat, Oct 27, 2007 at 07:08:55PM +0300, Timo Sirainen wrote:
> On Wed, 2007-10-24 at 16:27 -0500, Rich Winkel wrote:
> > Dovecot 1.0.3
> > Deliver is saying this on two specific emails.  Other emails to these 2
> > users are going through fine.  Looking at the mail headers the only
> > thing questionable I see is:
> > From: "AMS Publication Division"@ams.org
> > Is this the problem?
> 
> Contents of the messages shouldn't matter. This error should never
> happen. Doesn't Dovecot log anything else? Could you try this patch and
> show me what it logs: http://hg.dovecot.org/dovecot-1.0/rev/d58f7f66faa3

It now says:
Can't sync delivery mail: BUG: Unknown internal error

A sample offending message (in sendmail mqueue format) is in:
http://www.math.missouri.edu/~rich/dovecot/bugmail.tgz

Thanks for any help!
Rich