Jaroslaw Rafa: > Dnia 23.11.2020 o godz. 10:18:39 D'Arcy Cain pisze: > > > > I used to have a client who was not getting emails from one of his > > friends. Turned out that the friend's client/MUA was not adding the > > message ID. > > Doesn't Postfix automatically add Message-Id: header upon sending a message > if none is present?
For the last 17 years, Message-ID is added to "local" email only. http://www.postfix.org/postconf.5.html#always_add_missing_headers > > After the first message was accepted all of the rest > > were silently dropped as duplicates due to a very standard procmail > > recipe: > > > > :0 Wh: msgid.lock > > | formail -D 65536 $HOME/.msgid.cache They should skip that when email has no Message-Id: header. Wietse
