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User Receiving Bounced Message From Good Address

When a user attempts to send to this one particular address outside the domain, he receives a

Reporting-MTA: dns;servername.domainname
Final-Recipient: rfc822;e-mailaddress:
Action: failed
Status: 5.1.3
X-Display-Name: e-mailaddress:'

The address is good, because several of us can successfully send to it. He is the only one that I know of that cannot. And I had him reply to my successful message and it return the same error.

GWMerrell

Are we using pop mail or exchage? is exchange hosted or managed internally?

JohnHaslett

ASKER

POP is disabled and Exchange is managed internally.

Thanks

GWMerrell

Have you ran message tracker to see if the message elaves your exchange org?
Do you have any appliances that manage mail filtering for spam, you might want to check that as well, check the logs for that message activity

JohnHaslett

ASKER

Looks like its getting bounced before it leaves the system. Right after it categorizes and queues for routing, it generates the NDR. Looking deeper into that Exchange server, it looks like we have some Categorization failures. Ill eliminate those and retry.

GWMerrell

Let us know if you get results after eleiminating them.

JohnHaslett

ASKER

I've eliminated the Categorization failures, but the user is still unable to send, same bounced message. Looking into Spam filter now.

GWMerrell

Do you have a mail spam/ virus solutions like a paid service or appliance?

JohnHaslett

ASKER

Yes, we use an applicance called Iron Port for incoming and outgoing mail and the message log shows nothing from this user to this address going out. So it looks like its an internal issue for sure.

ASKER CERTIFIED SOLUTION

GWMerrell

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