NDR - how to check why
I have one person trying to send an email from their yahoo account and they keep getting a NDR report basically saying my Exchange server "refused" the message. How do you go about checking excatly why my server refused this message? A KB article or any advice would be great...thanks.Phill
February 27th, 2009 6:06am

Hi Phill, Could you paste the compete NDR here? Thanks, Elvis
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February 27th, 2009 8:42am

I changes some information to keep the person information private. It is only happening to this one user. However I would still be interested in knowing how I can check some kind of logs to see why this message or any message would have been refused. -----Original Message-----From: Mail Delivery Subsystem [mailto:MAILER-DAEMON@cipafilter.mydomain.org] Sent: Tuesday, February 24, 2009 1:51 PMTo: user@yahoo.comSubject: Returned mail: see transcript for detailsThe original message was received at Tue, 24 Feb 2009 14:50:33 -0600 fromsmtpauth11.prod.mesa1.secureserver.net [] ----- The following addresses had permanent fatal errors -----user@mydomain.org (reason: 550 5.7.1 Requested action not taken: message refused) ----- Transcript of session follows ----- ... while talking to[]:>>> DATA<<< 550 5.7.1 Requested action not taken: message refused554 5.0.0 Service unavailable
February 27th, 2009 7:38pm

Hi, Please following the steps below and let me know the result. Open Exchange System Manager -> Global Settings -> Message Delivery -> Intelligent Message Filtering tab. Either modify the action "When blocking messages" from Reject to anything else, or set the SCL ratings to a higher level. If this user just send a test email, for instance, a blank email, can it go though? Thanks, Elvis
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March 2nd, 2009 10:52am

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