Hi,
I believe, there is in a bug in the REVDNS implementation.
Instead of checking for reverse DNS for the originating SMTP server, it
actually is looking up the end-users workstation address - which of course
often will NOT have a reverse DNS entry.
Example - in the following test mail, Declude did a check on my workstation
address (.135) instead of checking my relay server (.129):
Received: from mail.usa.hm-software.com [63.107.174.129] by hm-software.com
with ESMTP
(SMTPD32-6.06) id AEDA64BE00AC; Fri, 11 May 2001 16:43:06 -0400
Received: (apparently) from corneroffice ([63.107.174.135]) by
mail.usa.hm-software.com with Microsoft SMTPSVC(5.5.1877.197.19);
Fri, 11 May 2001 16:43:06 -0400
From: "Andy Schmidt" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Subject:
Date: Fri, 11 May 2001 16:41:40 -0400
MIME-Version: 1.0
Message-ID: <003801c0da5a$c8e61e90$[EMAIL PROTECTED]>
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2911.0)
Content-Type: multipart/signed;
protocol="application/x-pkcs7-signature";
micalg=SHA1;
boundary="----=_NextPart_000_0000_01C0DA39.3FDDB7A0"
Importance: Normal
Sensitivity: Personal
X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400
Return-Path: [EMAIL PROTECTED]
X-Declude-Sender: [EMAIL PROTECTED] [63.107.174.135]
X-Declude-Spoolname: D4eda0ac.SMD
X-Note: Declude traced originating server to [63.107.174.135].
X-RCPT-TO: <[EMAIL PROTECTED]>
X-UIDL: 4790
Status: U
Best Regards
Andy Schmidt
Phone: +1 201 934-3414 x20 (Business)
Fax: +1 201 934-9206
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