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, <[EMAIL PROTECTED]>

"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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