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Exchange spam filtering

By dandgconsultants ·
You do not have permission to send to this recipient. For assistance, contact your system administrator.
#5.7.1 smtp; 550 5.7.1 Message content rejected, UBE, id=16186-05-5>

The user is not sending a message to this account. Barracuda filtering is sending this to her email account in Exchange 2003.

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Spoofed Spam

by BFilmFan In reply to Exchange spam filtering

Someone is spoofing the email address and your user is getting the non-delviery report (NDR) that the external email system is generating.

Tell your user that is a pretty normal message to see with all the spammers out there these days.

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