[Mailman-Users] Domain in the To: header
brad at stop.mail-abuse.org
Fri Sep 24 22:39:26 CEST 2004
At 1:58 PM +0100 2004-09-24, Jolin M Warren wrote:
> In every case I have checked, this is the address that is being entered
> into the 'To:' field of the sender's mailer. However, some MTAs seem to
> be automatically substituting the CNAME for the domain in the To: address,
> so the email that arrives at my server has the To: address of:
They are doing so correctly. This behaviour is required by the
RFCs. If you don't want this done, have the name resolve directly to
the appropriate IP address and not a CNAME alias to a different name.
Brad Knowles, <brad at stop.mail-abuse.org>
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin (1706-1790), reply of the Pennsylvania
Assembly to the Governor, November 11, 1755
SAGE member since 1995. See <http://www.sage.org/> for more info.
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