From owner-freebsd-isp  Mon Jan 15  9:14:32 2001
Delivered-To: freebsd-isp@freebsd.org
Received: from bogon.kjsl.com (bogon.kjsl.com [206.55.236.195])
	by hub.freebsd.org (Postfix) with ESMTP id 2536D37B400
	for <freebsd-isp@FreeBSD.ORG>; Mon, 15 Jan 2001 09:14:14 -0800 (PST)
Received: (from javier@localhost)
	by bogon.kjsl.com (8.11.1/8.11.1) id f0FHDt460025;
	Mon, 15 Jan 2001 09:13:55 -0800 (PST)
From: Javier Henderson <javier@KJSL.COM>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Message-ID: <14947.12243.400265.573953@bogon.kjsl.com>
Date: Mon, 15 Jan 2001 09:13:55 -0800 (PST)
To: Chris Cook <ccook@tcworks.net>
Cc: Dirk Meyer <dirk.meyer@dinoex.sub.org>, freebsd-isp@FreeBSD.ORG
Subject: Re: sendmail queue
In-Reply-To: <3A632F85.90C1F83@tcworks.net>
References: <Pr5d9lj5YQ@dmeyer.dinoex.sub.org>
	<Pine.BSF.4.21.0101131042110.45824-100000@arnold.neland.dk>
	<WndPflj5YQ@dmeyer.dinoex.sub.org>
	<3A613A19.3D7A6895@quake.com.au>
	<002401c07df7$ac1c3de0$0400a8c0@Home>
	<21e7dW2RC5@dmeyer.dinoex.sub.org>
	<3A632F85.90C1F83@tcworks.net>
X-Mailer: VM 6.75 under Emacs 19.34.1
Sender: owner-freebsd-isp@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.org

Chris Cook writes:
 > I have had many people tell me that using a CNAME to point to a mail
 > server is a very bad thing that will cause issues with some MTA's... can
 > anyone explain to me why?  (just saw a CNAME for a mail server in this
 > example).

	MX records are supposed to point to hosts for which an A
record exists. Most MTA's will work with MX records pointing to
CNAMEs (some will log a warning) however.

	A big offender of this rule is AOL, for example.

-jav


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-isp" in the body of the message