On 2015-04-27 13:58:11 -0600, Bob Proulx wrote: > Most mail transfer agents such as Postfix and others add a valid > Message-Id if one is not present.
I still receive messages without a Message-Id, though this is rare. The only example I remember is some e-ticket system, using qmail as its MTA. And SpamAssassin's "X-Spam-Status:" generated header contains MISSING_MID. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon) -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20150428003302.gc14...@xvii.vinc17.org