--On Monday, September 29, 2008 11:52 +0100 Justin Mason <[EMAIL PROTECTED]> wrote:

- there may be a mismatch (PTR exists but doesn't resolve back to IP)

I don't know of an MTA that removes rDNS from the Received: header if
that occurs.  do you?


Sendmail.  The name is not shown if there is no PTR, or if the name in
the PTR record has an A record pointing only to some other IP address.


Joseph Brennan
Lead Email Systems Engineer
Columbia University Information Technology





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