It's saying that when it does a reverse DNS lookup of 64.45.174.203, it
expects to see the name that was presented in the HELO line, ie
msexpkce.pkce.com. However, it's seeing 64.45.174.203.cypresscom.net
and therefore deciding it's a forged communication.
C:\nslookup 64.45.174.203
Server:
That very easily could be a misconfiguration on their end.
--
Roger D. Seielstad - MCSE
Sr. Systems Administrator
Inovis - Formerly Harbinger and Extricity
Atlanta, GA
-Original Message-
From: Rachel Pickens
Cornerstonesurveying is doing rDNS; the FQDN your server is sending out does
not match the IP address in DNS.
-Original Message-
From: Rachel Pickens [mailto:rpickens;pkce.com]
Sent: Wednesday, October 30, 2002 9:59 AM
To: Exchange Discussions
Subject: Checking NDR
Hello All,
can you
: Wednesday, October 30, 2002 10:20 AM
To: Exchange Discussions
Subject: RE: Checking NDR
It's saying that when it does a reverse DNS lookup of 64.45.174.203, it
expects to see the name that was presented in the HELO line, ie
msexpkce.pkce.com. However, it's seeing 64.45.174.203.cypresscom.net
It looks like you don't have reverse DNS and the remote machine does not like that. Or
it maybe that your server's name as supplied in the HELO is different from the reverse
DNS value, I have seen some mail servers that don't like that.
-Original Message-
From: Rachel Pickens
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