Quoth Kai Henningsen on Mon, Aug 21, 2000:
> Actually, as I said in the part you snipped, those were the parts Greg
> mistakenly thought Vadim was talking about, but Vadim meant either Return-
> Path: or MAIL FROM:. The envelope sender, in other words. The one thing
> any autoresponder should look at, and not ever reply if it's "<>".
What I said was that the autoresponders should not ever look
whether the From: header contains MAILER-DAEMON, but instead look
whether the sender address (alias return path, alias Envelope
FROM) contains empty sender address <>. This is the proper way
to distinguish between bounce message and blah blah blah.
Vadik.
--
Time is an illusion. Lunchtime doubly so.
-- Ford Prefect