[57327] in North American Network Operators' Group
Re: An A record is an MX record and is a missing MX....
daemon@ATHENA.MIT.EDU (Craig Partridge)
Thu Apr 3 17:12:53 2003
To: "Gerardo Gregory" <ggregory@affinitas.net>
Cc: Richard Irving <rirving@onecall.net>, nanog@merit.edu
In-Reply-To: Your message of "Thu, 03 Apr 2003 15:58:53 CST."
<courier.3E8CAE9D.00002141@affinitas.org>
Date: Thu, 03 Apr 2003 17:10:52 -0500
From: Craig Partridge <craig@aland.bbn.com>
Errors-To: owner-nanog-outgoing@merit.edu
In message <courier.3E8CAE9D.00002141@affinitas.org>, "Gerardo Gregory" writes:
>Since then I have learned that some MTA's will look for an A record if it
>cannot find an MX record and use the A record instead.
That's indeed what the standard says. I put it into RFC 973 after consulting
with Jon Postel about preferred ways to ensure robust delivery.
Craig