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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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