NDR message cannot be sent to a user

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Everytime someone will send a calendar invite for a specific user using the Outlook 2010 Pro, the Outlook Exchange 2003 server will send an NDR saying that the message cannot be sent to a user who is no longer in the company. We checked the list of delegates and there were no entries. Any kind of help will be appreciated.

Answered By 0 points N/A #113977

NDR message cannot be sent to a user


What I will suggest you that try doing is using the MFCMAPI to delete any corrupted delegates rules if in case they exist, and you will need to refer to following article for the step by step guide on how you will be able to do that. In the article, you will need to refer to the section that has the 'Deleting the Delegate's Rule.


In case the issue still exists, then you will need to increase the transport related diagnostic log on the server that you are using which will be able to generate the NDR message. And you can be able to locate the server that generates the NDR message by the use of a Message Tracking log.

-Mathew Stone


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