RFC 974:
"There is one other special case. If the response contains an answer which
is a CNAME RR, it indicates that REMOTE is actually an alias for some other
domain name. The query should be repeated with the canonical domain name."
----- Original Message -----
From: "Scott Haneda" <talkli...@newgeo.com>
To: "Al Stu" <al_...@verizon.net>
Cc: <bind-users@lists.isc.org>
Sent: Monday, January 26, 2009 8:09 PM
Subject: Re: BIND 9.6 Flaw - CNAME vs. A Record in MX Records are NOT
"Illegal"
On Jan 26, 2009, at 7:54 PM, Al Stu wrote:
If you refuse a CNAME then it is your SMTP server that is broken. The
SMTP RFC's clearly state that SMTP servers are to accept and lookup a
CNAME.
[RFC974] explicitly states that MX records shall not point to an alias
defined by a CNAME. That is what I was talking about, are you saying
this is not correct? As this is what I was under the impression for
quite some time.
--
Scott
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