Subject: Re: Sendmail and anti-spam
To: John Nemeth <firstname.lastname@example.org>
From: Michael Graff <email@example.com>
Date: 02/17/1999 21:17:33
John Nemeth <firstname.lastname@example.org> writes:
> } We should perhaps deny relaying and perhaps also accepting mail from
> } hosts that have no valid mx or such.
> Absolutely NOT, this is completely bogus. MX records indicate
> machines that are intended to receive mail, NOT one's that are
> intended to send mail.
Perhaps he means "valid return envelopes"