Hi Norm,
Your email to the list that I'm replying to:
Received: from shell0.rawbw.com ([198.144.192.45]:59786)
by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from
<norm(_at_)dad(_dot_)org>)
id 1SXcPM-0004s6-6P
for nmh-workers(_at_)nongnu(_dot_)org; Thu, 24 May 2012 14:05:08 -0400
Received: from smtp.tsoft.com ([198.144.207.170])
by shell0.rawbw.com (8.14.4/8.14.4) with ESMTP id q4OI53mn086582;
Thu, 24 May 2012 11:05:03 -0700 (PDT) (envelope-from
norm(_at_)dad(_dot_)org)
Message-Id:
<201205241805(_dot_)q4OI53mn086582(_at_)shell0(_dot_)rawbw(_dot_)com>
Taking those IP addresses above,
$ host 198.144.192.45
45.192.144.198.in-addr.arpa domain name pointer shell0.rawbw.com.
$ host 198.144.207.170
Host 170.207.144.198.in-addr.arpa. not found: 3(NXDOMAIN)
$
$ host smtp.tsoft.com
smtp.tsoft.com is an alias for smtp.rawbw.com.
smtp.rawbw.com has address 198.144.192.45
$
So 198.144.207.170 handed over email to shell0.rawbw.com and said in the
HELO it was smtp.tsoft.com but its IP address isn't reversible and it
also isn't the IP address for smtp.tsoft.com/smtp.rawbw.com.
That may have a bearing on what you're seeing.
Cheers, Ralph.
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