[45930] in North American Network Operators' Group
RE: Reverse DNS and SMTP
daemon@ATHENA.MIT.EDU (Pete Stephenson)
Thu Feb 28 15:45:51 2002
Mime-Version: 1.0
Message-Id: <p05100301b8a446af8710@[192.168.1.2]>
In-Reply-To:
<!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAAS1TF+qltvxGKivZSt6IHk8KAAA
AQAAAACK21kwBTCkuXt5tqC5fvFwEAAAAA@elmresources.com>
Date: Thu, 28 Feb 2002 12:44:40 -0800
To: nanog@merit.edu
From: Pete Stephenson <pete@heypete.com>
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
Errors-To: owner-nanog-outgoing@merit.edu
>A better solution is to check the ip and see if it is an MX record for
>the domain the mail purports to be from.
[de-lurk]
Perhaps, but do recall that there are systems out there which have
certain servers listed in the MX records for receiving mail, and
different servers for sending mail that aren't listed in the MX
records.
You can't please everybody, I guess.
Apologies to Daniel, as he would receive two copies of this message.
--
Pete Stephenson
HeyPete.com
