From mboxrd@z Thu Jan  1 00:00:00 1970
Message-Id: <200304031652.h33GqYGS071546@orthanc.ab.ca>
From: Lyndon Nerenberg {VE6BBM} <lyndon@orthanc.ab.ca>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] rewriting From:
In-reply-to: Your message of "Thu, 03 Apr 2003 11:03:27 EST."
             <955b04dd781fc8ef726c1f33aef706db@plan9.bell-labs.com>
Date: Thu,  3 Apr 2003 09:52:34 -0700
Topicbox-Message-UUID: 89405576-eacb-11e9-9e20-41e7f4b1d025

>I've noticed over the years that if the domain name in a From: address has
>a CNAME, then it gets rewritten by most sendmails.  Anyone know if there
>is an RFC that covers the subject?

Sendmail hasn't done this for years, and it the behaviour is not blessed
by any RFC I'm aware of. No MTA should do this sort of thing.

--lyndon