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Exchange Serv-Unknowen recipient

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3 replies

by hayoubee

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I have Exchane server in SBS 4.5,a user have e-mail problem as the folowing:
If he send e-mail to outside than it stopped in the server and i got this notification:MS Exchange IMS..Unknowen recipient,Inbounde mail failer.If anybody send hem e-mail than stopped also in the server and does't reached hem .the sender got this notification :Unknowen recipient.
any idea about this subject,how can I reconfigure this

3 replies

by magetower

Open the users mailbox in Exchange Administrator and look in the Addresses tab to see what their SMTP address is. If the user does not have one then you need to put one in for the user to be able to send out through IMS. If there is one make sure itis correct and then see if it matches the one in the bounced mail.

Hope this helps...

by hayoubee

The answer of Magetowqer is correct ,Indeed for one or another reason the email addreses have been changed for all users to another form.

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