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Undeliverable from EXCHANGE server???

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I have setting Ms Exchange server in my network enviroment, but my user alway receive undelivable mail which said that the recipient is not recognized(internet mail)
MSEXCH:MSExchangeMTA:Domain name: Host name
But the mail already be receive, why like that?? please advise me how to solve this problem.

5 replies

by mdp716

More information is needed - what version and service pack is the Exchange server? What is the client and which version (i.e. Outlook, etc.)? How is the client configured? If Outlook, is MS Exchange AND Internet mail configured? If so, Exchange should be first. What connectors are set up on the Exchange Server? What EXACTLY is the error message you get in the NDR? Is the mail destination that received that recieved the mail internal to your network or someone outside of your network (Internet). What are the headers to the message that was recieved? While not all of this information may be needed to correctly identify the problem, it would be nice to know.

by mdp716

More information is needed - what version and service pack is the Exchange server? What is the client and which version (i.e. Outlook, etc.)? How is the client configured? If Outlook, is MS Exchange AND Internet mail configured? If so, Exchange should be first. What connectors are set up on the Exchange Server? What EXACTLY is the error message you get in the NDR? Is the mail destination that received that recieved the mail internal to your network or someone outside of your network (Internet). What are the headers to the message that was recieved? While not all of this information may be needed to correctly identify the problem, it would be nice to know.

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