Date: Mon, 8 Sep 1997 07:54:49 -0700 (PDT) From: "Jonathan M. Bresler" <jmb> To: ahd@kew.com (Drew Derbyshire) Cc: tlambert@primenet.com, hackers Subject: Re: spam and the FreeBSD mailing lists Message-ID: <199709081454.HAA05309@hub.freebsd.org> In-Reply-To: <34137978.288AD02@kew.com> from "Drew Derbyshire" at Sep 8, 97 00:05:12 am
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Drew Derbyshire wrote: > > Terry Lambert wrote: > > > > > > there is *not* reasone that i know of that a > > > > "mail from:" address must be resolvable. > > > > > > Yes, there is. The address in the SMTP "MAIL FROM" line is used for > > > bounce messages by sendmail. > > > > You are forgetting "MAIL FROM:<>", which is perfectly valid. > > I was, but it's a document special case, but ignorable for my comments > as it's a "valid" address, which is to say the bit bucket. for me, as a person running the mail lists, <> is a very important address. i need to know when mail bounces. <> is often used to prevent a bounce message from generating a another bounce message. i need to get those messages so that i can cull dead addresses from the mailing lists. jmb
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