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09.25.2007 at 08:38AM PDT, ID: 22851301
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Need Resolution for SMTP Error 452 4.1.1

Asked by fmauri in Simple Mail Transfer Protocol (SMTP), Exchange Email Server

Tags: 452, again, later

I have one domain that we are now unable to send email to. (We are using Exchange 2003 SP2 FE/BE, no SmartHost)
Below is what the SMTP log is telling me is wrong. I cannot find any information on the 452 4.1.1 error.
rcpt to: user@problemdomain.com
452 4.1.1 <user@problemdomain> requested action aborted: try again later - GL/GL

The below is what is being sent by Exchange as the Undeliverable.
user@problemdomain.com on 9/25/2007 11:03 AM
            The e-mail account does not exist at the organization this message was sent to.  Check the e-mail address, or contact the recipient directly to find out the correct address.
            <server.ex1.lan #4.1.1 smtp;452 4.1.1 <user@problemdomain.com> requested action aborted: try again later - GL/GL>

The users are valid, we have been dealing with them for years. We are also able to send them email through a Yahoo account.  The IT tech at the other company seems to think it is a DNS issue on our side, but I can't find any evidence of that.

Any assistance in determining what the issue is would be appreciated.

Thanks - Frank - Start Free Trial
 
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[+][-]09.25.2007 at 08:47AM PDT, ID: 19956691

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[+][-]09.25.2007 at 08:49AM PDT, ID: 19956704

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[+][-]09.25.2007 at 08:55AM PDT, ID: 19956751

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[+][-]09.25.2007 at 08:58AM PDT, ID: 19956767

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[+][-]09.25.2007 at 09:04AM PDT, ID: 19956816

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[+][-]09.25.2007 at 09:10AM PDT, ID: 19956853

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About this solution

Zones: Simple Mail Transfer Protocol (SMTP), Exchange Email Server
Tags: 452, again, later
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Solution Provided By: purplepomegranite
Participating Experts: 2
Solution Grade: A
 
 
[+][-]09.25.2007 at 09:12AM PDT, ID: 19956867

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