Subject: Re: Sendmail and anti-spam
To: John Nemeth <>
From: Michael Graff <>
List: tech-userlevel
Date: 02/17/1999 21:17:33
John Nemeth <> 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"