Am 13.05.2014 20:27, schrieb Maciej Uhlig: > Charles Marcus - 2014-05-13 20:20: >> >> No, no, no, null sender is *required* for these kinds of messages. >> > > Why? It's _my_ message after all. IMHO I'm sending "I'm on vacation", > not MTA.
you are *not sending* "I'm on vacation" because you as human would not be that dumb to send it 1000000 times to the vacation responsder on the other end http://en.wikipedia.org/wiki/Bounce_message a vaction is *exactly* the same you need to understand mail basics like the difference of the From-header and the envelope sender hint: you are talking about the envelope which no human person ever get displayed in his MUA
signature.asc
Description: OpenPGP digital signature