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Relaying denied when sending to one domain

I am running Exchange 2000 with sp3 and yesterday I could no longer send to anyone at cisco.com. The error message is:

You do not have permission to send to this recipient. For assistance, contact your system administrator.

<exchange.ads.domain.com #5.7.1 smtp;550 5.7.1 <user@cisco.com>... Relaying denied>

This has worked in the past as we have several cisco products and talk continually. My SMTP relay properties allows my internal address and also allow authenticated users to send email.

I have also checked against SPAM lists and have not found my address anywhere. I have also checked reverse DNS to ensure I have a record there.

I am able to send to many other domains and cisco.com is the only domain that I know of that I cannot send to.

Any help is appreciated as I need to be able to send to them.

ericseanpayne

ASKER

I have the header information in case this might help from a bounced message.

Microsoft Mail Internet Headers Version 2.0
From: postmaster@ads.domain.com
To: epayne@domain.org
Date: Fri, 1 Oct 2004 12:12:19 -0500
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
      boundary="9B095B5ADSN=_01C49E6C93AE10320020BBD3exchange.ads.dom"
X-DSNContext: 7ce717b1 - 1184 - 00000002 - 00000000
Message-ID: <rhYQYx3G500000093@exchange.ads.domain.com>
Subject: Delivery Status Notification (Failure)

--9B095B5ADSN=_01C49E6C93AE10320020BBD3exchange.ads.dom
Content-Type: text/plain; charset=

--9B095B5ADSN=_01C49E6C93AE10320020BBD3exchange.ads.dom
Content-Type: message/delivery-status

--9B095B5ADSN=_01C49E6C93AE10320020BBD3exchange.ads.dom
Content-Type: message/rfc822

X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1
content-class: urn:content-classes:message
MIME-Version: 1.0
Content-Type: multipart/alternative;
      boundary="----_=_NextPart_001_01C4A7D9.C4DF38C0"
Subject: test
Date: Fri, 1 Oct 2004 12:12:02 -0500
Message-ID: <1918B58236BD9A438395C43B0E89A61BB82A2E@exchange.ads.domain.com>
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
Thread-Topic: test
Thread-Index: AcSn2cTmSeGxhV2rQMengsxQFEVmvg==
From: "Eric Payne" <epayne@domain.org>
To: <postmaster@cisco.com>

------_=_NextPart_001_01C4A7D9.C4DF38C0
Content-Type: text/plain;
      charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

------_=_NextPart_001_01C4A7D9.C4DF38C0
Content-Type: text/html;
      charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

------_=_NextPart_001_01C4A7D9.C4DF38C0--

--9B095B5ADSN=_01C49E6C93AE10320020BBD3exchange.ads.dom--

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susanzeigler

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ericseanpayne

ASKER

It was Cisco's fault. I am able to send to them today. I usually assume relaying denied errors are on my end. Thank you for the info.