On Wed, Mar 02, 2005 at 10:59:20AM -0700, Bob Proulx wrote: > David B Funk wrote: > > I have a functionally equivalent rule that I created back in SA-2.5 days. > > Me too. I started out making that a hard test. But I needed to back > it out, darn it! Why can't legitimate MTAs play by the rules?
Message-ID is a SHOULD rather than a MUST even in RFC 2822, and was not a Required field in RFC 822. Outlook 2003 (I think, some M$ MUA anyway) was changed to not add a Message-Id, on the assumption that Exchange would. Nick
