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spamcop refuses mail from where I work

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If I send email from my work exchange 2000 server to my spamcop address , I get this error message.

"The following message to <xxxxx> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 551-'This is not a relay host - mail must be to or from host domain.'"

However, if I send email from my hotmail account to my spamcop address it goes OK. I can also send email from my work exchange 2000 server to my hotmail account OK. What is it about spamcop that rejects my work exchange 2000 server email?



ps. here is the options view from the returned email

Microsoft Mail Internet Headers Version 2.0

Received: from nyntmail02.fxall.com ([]) by nycluster01.fxall.com with Microsoft SMTPSVC(5.0.2195.6713);

Tue, 25 May 2004 13:27:47 -0400

Received: from nyspam01.fxall.com ([]) by nyntmail02.fxall.com with Microsoft SMTPSVC(5.0.2195.6713);

Tue, 25 May 2004 13:27:47 -0400

Received: from c60.cesmail.net [] by nyspam01.fxall.com - SurfControl E-mail Filter (4.7); Tue, 25 May 2004 13:27:46 -0400

Received: from unknown (

by c60.cesmail.net with ; 25 May 2004 13:27:47 -0400

From: Mail Delivery System <MAILER-DAEMON[at]c60.cesmail.net>

To: phil.hoff[at]FXALL.com

Date: 25 May 2004 13:27:47 -0400

Subject: Delivery Status Notification (Failure)

MIME-Version: 1.0

Content-Type: multipart/report; report-type=delivery-status; boundary="--=_NextPart_ST_13_27_46_Tuesday_May_25_2004_29390"

Return-Path: <>

Message-ID: <NYNTMAIL02YILoygXLs00000c77[at]nyntmail02.fxall.com>

X-OriginalArrivalTime: 25 May 2004 17:27:47.0072 (UTC) FILETIME=[9889A800:01C4427D]


Content-Type: text/plain


Content-Type: message/delivery-status


Content-Type: message/rfc822

Received: (qmail 2338 invoked by uid 1010); 25 May 2004 17:27:45 -0000

Delivered-To: spamcop-net-phoff2824[at]spamcop.net

Received: (qmail 2320 invoked from network); 25 May 2004 17:27:45 -0000

Received: from unknown (

by blade1.cesmail.net with QMQP; 25 May 2004 17:27:45 -0000

Received: from host3.fxall.com (HELO nycluster01.fxall.com) (

by mailgate.cesmail.net with SMTP; 25 May 2004 17:27:45 -0000

X-MimeOLE: Produced By Microsoft Exchange V6.0.6249.0

content-class: urn:content-classes:message

MIME-Version: 1.0

Content-Type: multipart/alternative;


Subject: fxall

Date: Tue, 25 May 2004 13:27:44 -0400

Message-ID: <204AB30D250D5945B495E9BC153366FB0173BDAA[at]NYCLUSTER01.fxall.com>



Thread-Topic: fxall

Thread-Index: AcRCfZa8K7vn4uLLRwmSR06vNik09g==

From: "Phil Hoff" <phil.hoff[at]FXALL.com>

To: <phoff2824[at]spamcop.net>

X-spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on blade1

X-spam-Level: *

X-spam-Status: hits=1.2 tests=HTML_MESSAGE,MIME_HTML_MOSTLY version=2.63



Content-Type: text/plain;


Content-Transfer-Encoding: quoted-printable


Content-Type: text/html;


Content-Transfer-Encoding: quoted-printable



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