Hi All 
Maybe one of you almighty Guru's can shed some light on this problem.
The situation.
I have a client that send a large amount of mail all over Australia and the world.   3 
of their client have not been receiving mail and when mail is sent they get bounced.   
The following is a print out of the bounce and the message headers.  I have checked 
with the 3 servers internal to the network and there is no record of 
securemail.net.au, 
there is also no record of the securemail.net.au in the aunic database and never has 
been.
I have done a dig from the red hat bot to the site and that does not resolve either.

Can someone please tell me where these messages are getting the reference to the 
securemail.net.au from, and how I can stop it.

Thanks

Message received when bounced

Reporting-MTA: dns; mailub. mailhub.securemail.net.au
Received-From-MTA: DNS; [192.168.1.2]
Arrival-Date: Thu, 9 May 2002 17:35:24 +1000

Final-Recipient: RFC822; [EMAIL PROTECTED]
Action: failed
Status: 5.5.0
Diagnostic-Code: SMTP; 501 5.5.4 Invalid Address
Last-Attempt-Date: Thu, 9 May 2002 17:35:25 +1000



Internet headers from a similar message

Received: from mailub. (192.168.1.1 [192.168.1.1]) by aeema1.aeema.asn.au
with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13)
        id 2R07D1Z5; Thu, 9 May 2002 13:36:39 +1000
Received: from localhost (localhost)
        by mailub. mailhub.securemail.net.au (8.11.6/8.11.6) id
g4949cB00491;
        Thu, 9 May 2002 14:09:38 +1000
Date: Thu, 9 May 2002 14:09:38 +1000
From: Mail Delivery Subsystem
<[EMAIL PROTECTED]>
Message-Id: <200205090409.g4949cB00491@mailub. mailhub.securemail.net.au>
To: <[EMAIL PROTECTED]>
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
        boundary="g4949cB00491.1020917378/mailub. mailhub.securemail.net.au"
Subject: Returned mail: see transcript for details
Auto-Submitted: auto-generated (failure)

This is a MIME-encapsulated message

--g4949cB00491.1020917378/mailub. mailhub.securemail.net.au

--g4949cB00491.1020917378/mailub. mailhub.securemail.net.au
Content-Type: message/delivery-status

--g4949cB00491.1020917378/mailub. mailhub.securemail.net.au
Content-Type: message/rfc822

Return-Path: <[EMAIL PROTECTED]>
Received: from aeema1.aeema.asn.au ([192.168.1.2])
        by mailub. mailhub.securemail.net.au (8.11.6/8.11.6) with ESMTP id
g4948FB00489
        for <[EMAIL PROTECTED]>; Thu, 9 May 2002 14:08:15 +1000
Date: Thu, 9 May 2002 14:08:15 +1000
Message-Id: <200205090408.g4948FB00489@mailub. mailhub.securemail.net.au>
Received: from localhost (ISAAC [192.168.1.7]) by aeema1.aeema.asn.au with
SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13)
        id 2R07D1ZV; Thu, 9 May 2002 13:35:09 +1000
From: AEEMA/Secretariat mail recipient <[EMAIL PROTECTED]>
To: AEEMA/Secretariat mail recipient <[EMAIL PROTECTED]>
Subject: testing
CC: 
X-Loop: [EMAIL PROTECTED]
Content-Type: text/plain;

--g4949cB00491.1020917378/mailub. mailhub.securemail.net.au--


Roger Smith  MCSE, MCP+I, CCNA
Technical Support Manager
OfficePCs
10 Cape Street
Dickson
Phone : 62579111
Fax:      62579004
[EMAIL PROTECTED]
 

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