Wietse Venema: > Michael Weissenbacher: >> I understand that every message should include the message-id Header, > > RFC 5322 (the current spec for Internet messages) says SHOULD, not > MUST. Mail software must therefore not depend on the existence of > this header. > Thanks for that clarification, Wietse. In fact that's the very reason why i want to add it to all incoming Mail on our MX Server because i need it for backend processing...
cheers, Michael
