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NDR when forwarding mail

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NDR when forwarding mail - 19.Jul.2006 1:42:52 PM   
niallo32

 

Posts: 6
Joined: 19.Jul.2006
Status: offline
I have an Exchange 2000 SP3 Exchange Server. All mail is being sent & received without fail.

On Friday, one of the users starting receiving the message below, along with every incoming email. The incoming email was sent to user@domain1.com and not to the address or domain referenced in the mail below. All mail being received by the user is being forwarded to user@domain2.com, an email address for the users corresponding account on a different domain within the same Subnet.

There is no apparant forwarding in place on either Account, under AD properites.

The NDR email is still being received along with every incoming email

Any ideas how I can resolve this?

Thanks
------------------------
Your message did not reach some or all of the intended recipients.

Subject: FW: Some Subject
Sent: 13/07/2006 16:35

The following recipient(s) could not be reached:

user@domain2.com on 13/07/2006 16:33
The e-mail system was unable to deliver the message, but did not report a specific reason. Check the address and try again. If it still fails, contact your system administrator.
< outbound1-ash-R.bigfish.com #5.0.0 X-Postfix; Host or domain name not found. Name service error for name=Domain2.com type=A: Host not found>. The mail is from 'System Administrator' - I dont wish any mail to be forwarded, so I could block 'System Administrator' I would. There is no email address listed under Properties though. Can anyone help? Thanks
Post #: 1
RE: NDR when forwarding mail - 20.Jul.2006 4:24:58 PM   
Arne Lovius

 

Posts: 183
Joined: 23.May2006
From: London England
Status: offline
Hi,

Could the automatic forwarding be being done by a server in front our your Exchange server ?

Could the forward be happening from an Outlook rule (running on the server)

Cheers

_____________________________

========================
Arne.Lovius@xclaimprojects.com
http://www.xclaimprojects.com
========================

(in reply to niallo32)
Post #: 2
RE: NDR when forwarding mail - 20.Jul.2006 6:43:08 PM   
niallo32

 

Posts: 6
Joined: 19.Jul.2006
Status: offline
That could well be the case. How can I check?

It's not a local Outlook rule anyway

(in reply to Arne Lovius)
Post #: 3
RE: NDR when forwarding mail - 20.Jul.2006 7:28:43 PM   
Arne Lovius

 

Posts: 183
Joined: 23.May2006
From: London England
Status: offline
Hi,

What is the path to your Exchnaae server that mail takes when it comes in from the internet ?

Cheers

_____________________________

========================
Arne.Lovius@xclaimprojects.com
http://www.xclaimprojects.com
========================

(in reply to niallo32)
Post #: 4
RE: NDR when forwarding mail - 21.Jul.2006 9:51:26 AM   
niallo32

 

Posts: 6
Joined: 19.Jul.2006
Status: offline
Hi,

Under Domainname/Routing Groups/First Routing Group/Connectors

There is mail.isp.com - under the properties of this, there are no apparant restrictions or explicit forwarding in place.

Thanks

(in reply to Arne Lovius)
Post #: 5
RE: NDR when forwarding mail - 21.Jul.2006 10:01:38 AM   
Arne Lovius

 

Posts: 183
Joined: 23.May2006
From: London England
Status: offline
Hi,

The connector is for outbound email.

The SMTP virtual server handles inbound email.

Do you have an IP addresses that is forwarded directly to port 25 of your Exchange server that is your only MX record ?

Or does your email go through another server before reaching your Exchange server ?

Cheers

_____________________________

========================
Arne.Lovius@xclaimprojects.com
http://www.xclaimprojects.com
========================

(in reply to niallo32)
Post #: 6
RE: NDR when forwarding mail - 21.Jul.2006 10:05:38 AM   
niallo32

 

Posts: 6
Joined: 19.Jul.2006
Status: offline
Hi,

All our email goes through our ISP first, our Exchange Server is NAT'd to a Public IP - 213.206.xxx.xx - is this what you mean??

Thanks

(in reply to Arne Lovius)
Post #: 7
RE: NDR when forwarding mail - 21.Jul.2006 10:37:01 AM   
Arne Lovius

 

Posts: 183
Joined: 23.May2006
From: London England
Status: offline
Hi,

Yes, thats what I mean.

Do you receive the NDR with internal as well as external email ?

Can you post the headers (cleaned appropriately) of one of the emails that you have a corresponding NDR for.

Cheers

_____________________________

========================
Arne.Lovius@xclaimprojects.com
http://www.xclaimprojects.com
========================

(in reply to niallo32)
Post #: 8
RE: NDR when forwarding mail - 21.Jul.2006 10:45:06 AM   
niallo32

 

Posts: 6
Joined: 19.Jul.2006
Status: offline
Hi, it's happening for internal aswell as external, this is why I think it's automatic routing somewhere

Thanks for all your help

----



Microsoft Mail Internet Headers Version 2.0
Received: from mail27-ash-R.bigfish.com ([206.16.192.253]) by exchange.domain.com with Microsoft SMTPSVC(5.0.2195.6713);
            Thu, 20 Jul 2006 06:53:52 +0100
Received: from mail27-ash.bigfish.com (localhost.localdomain [127.0.0.1])
           by mail27-ash-R.bigfish.com (Postfix) with ESMTP id E0B5054B429
           for <User@domain1.com>; Thu, 20 Jul 2006 05:50:10 +0000 (UTC)
X-BigFish: vps-198(zz9e5MR3116J11e3W913W13fcR1432W13f6h7efIH1805M3117N88fW1411Pzzzzz2dh34I)
Received: by mail27-ash (MessageSwitch) id 1153374609805437_21490; Thu, 20 Jul 2006 05:50:09 +0000 (UCT)
Received: from outbound1-kan-R.bigfish.com (outbound-kan.frontbridge.com [63.161.60.23])
           (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits))
           (No client certificate requested)
           by mail27-ash.bigfish.com (Postfix) with ESMTP id AF71E54BCD5
           for <User@domain1.com>; Thu, 20 Jul 2006 05:50:09 +0000 (UTC)
Received: by outbound1-kan-R.bigfish.com (Postfix)
           id 42DAA85E567; Thu, 20 Jul 2006 05:50:09 +0000 (UTC)
Date: Thu, 20 Jul 2006 05:50:09 +0000 (UTC)
From: MAILER-DAEMON (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: User@domain1.com
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
           boundary="396D885E55B.1153374609/outbound1-kan-R.bigfish.com"
Message-Id: <20060720055009.42DAA85E567@outbound1-kan-R.bigfish.com>
Return-Path: <>
X-OriginalArrivalTime: 20 Jul 2006 05:53:52.0203 (UTC) FILETIME=[E0E851B0:01C6ABC0]

--396D885E55B.1153374609/outbound1-kan-R.bigfish.com
Content-Description: Notification
Content-Type: text/plain

--396D885E55B.1153374609/outbound1-kan-R.bigfish.com
Content-Description: Delivery report
Content-Type: message/delivery-status

--396D885E55B.1153374609/outbound1-kan-R.bigfish.com
Content-Description: Undelivered Message
Content-Type: message/rfc822

Received: from outbound1-kan.bigfish.com (localhost.localdomain [127.0.0.1])
           by outbound1-kan-R.bigfish.com (Postfix) with ESMTP id 396D885E55B
           for <User@domain2.com>; Thu, 20 Jul 2006 05:50:09 +0000 (UTC)
Received: from mail43-kan-R.bigfish.com (unknown [172.18.7.1])
           by outbound1-kan.bigfish.com (Postfix) with ESMTP id 31DE585E550
           for <User@domain2.com>; Thu, 20 Jul 2006 05:50:09 +0000 (UTC)
Received: from mail43-kan.bigfish.com (localhost.localdomain [127.0.0.1])
           by mail43-kan-R.bigfish.com (Postfix) with ESMTP id 2717443FEDC
           for <User@domain2.com>; Thu, 20 Jul 2006 05:50:09 +0000 (UTC)
X-BigFish: VP
Received: by mail43-kan (MessageSwitch) id 115337460944306_20621; Thu, 20 Jul 2006 05:50:09 +0000 (UCT)
Received: from exchange.domain.com (unknown [213.206.145.72])
           by mail43-kan.bigfish.com (Postfix) with ESMTP id C1D0443F7E7
           for <User@domain2.com>; Thu, 20 Jul 2006 05:50:08 +0000 (UTC)
Received:  from mail74-cpk-R.bigfish.com ([207.46.163.10]) by exchange.domain.com with Microsoft SMTPSVC(5.0.2195.6713); Thu, 20 Jul 2006 06:53:46 +0100
MIME-Version: 1.0
Received:  from mail74-cpk.bigfish.com (localhost.localdomain [127.0.0.1]) by mail74-cpk-R.bigfish.com (Postfix) with ESMTP id 1E12E468250 for <User@domain1.com>; Thu, 20 Jul 2006 05:50:05 +0000 (UTC)
Content-Type: text/plain;
           charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
X-MimeOLE: Produced By Microsoft Exchange V6.0.6603.0
Received:  by mail74-cpk (MessageSwitch) id 115337460483606_3897; Thu, 20 Jul 2006 05:50:04 +0000 (UCT)
Received:  from mec02-ex.MEC.group (unknown [217.147.xx.xx]) by mail74-cpk.bigfish.com (Postfix) with ESMTP id B564F468779 for <User@domain1.com>; Thu, 20 Jul 2006 05:50:03 +0000 (UTC)
content-class: urn:content-classes:message
Subject: FW: WSomething
Date: Thu, 20 Jul 2006 06:53:47 +0100
Message-ID: <1F0D901FF87BB247B6F34FCF39D40BD7E8404F@exchange.messerec.com>
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
Thread-Topic: sOMETHING.xls
Thread-Index: AcarPPk7Dxoc6I6PQyaMMDqalVNOmQAgw5vQAAA1mEM=
From: "User" <User@domain1.com>
To: " User \(E-mail\)" <User@domain2.com>


--396D885E55B.1153374609/outbound1-kan-R.bigfish.com--
-------------

 
 

(in reply to Arne Lovius)
Post #: 9
RE: NDR when forwarding mail - 21.Jul.2006 10:53:42 AM   
Arne Lovius

 

Posts: 183
Joined: 23.May2006
From: London England
Status: offline
Hi,

If its happening for intenal as well as external then it will be something on your Exchange server that is doing this.

Is this happening for just one user ?

If it is, then it will be either in AD (check their setting in AD U&C on the Exchange server) , or in their mailbox, check to see if they have installed any 'extras' in Outlook, and recheck to see if they have added any Outlook rules.

Cheers

_____________________________

========================
Arne.Lovius@xclaimprojects.com
http://www.xclaimprojects.com
========================

(in reply to niallo32)
Post #: 10
RE: NDR when forwarding mail - 21.Jul.2006 12:55:52 PM   
niallo32

 

Posts: 6
Joined: 19.Jul.2006
Status: offline
Hi,

There are definitly no local rules in Outlook.

I've checked under all the Advanced Properties in AD U&C and there is no routing setup there either??

(in reply to Arne Lovius)
Post #: 11

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