On Fri, 2003-06-27 at 14:27, David Carter wrote: > On Fri, 27 Jun 2003, Stephen Grier wrote: > > > I have noticed that this has been happening on other occasions, where > > lmtpd does a duplicate_check and then a duplicate_mark on zero length > > message-ids. This raises the possibility that the server is suppressing > > messages that are not duplicates, but merely have no message-id header. > > > > Has anyone else seen this happening?. If this continues to happen we may > > have to disable duplicate delivery suppression. > > This seems quite likely. If a message doesn't contain a Message-ID, your > mail system should really add one before it passes it on to Cyrus. > > Exim does this automatically. I don't know about other MTAs.
We use Exim here. The messages do have a Message-Id: header, but with an empty value. I assume Exim will not add or alter the msg-id in this case. -- Stephen Grier Systems Developer Computing Services Queen Mary, University of London