Event ID - 31501

Event Id31501
DescriptionTransport to exchange Report generated : sender: system administrator. message id..........etc
Event InformationAccording to Microsoft:
The apostrophe character () is not allowed when checking the user name.
To resolve this problem, obtain the latest service pack for Exchange Server 5.5.
Reference LinksXFOR: Notes Connector Rejects Incoming Messages with the Apostrophe () Character in the SMTP Address

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