On Fri, Dec 19, 2014 at 08:18:50AM +0000, John Long wrote: > > Many MTAs will add one if it's not present (in Postfix, this is > > determined by $always_add_missing_headers). > > I understand that but these are spammers who seem to be stupid and are > trying to obfuscate themselves at the same time. This little trick > only makes it easier since I wouldn't expect legitimate email to > arrive with no message-id.
My point was, if the MTA adds a message-id, it will not be missing. But if yours doesn't, it's obviously not a problem. w
