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5.7.1 Delivery not authorized, message refused ##Exchange 2007

navin_peddi
navin_peddi asked
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Hi,

one of our user send a mail to group of receipients but he received an error "5.7.1 Delivery not authorized, message refused ##" from HUB transport server. I checked it in message tracking tool and the Event ID is showing as FAIL. I also check his storage quota limits. They are fine. What seems to be the issue.
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Mahmoud SabrySenior IT Systems Engineer
Commented:
is this message between internal users or from internal to external user (another email server externally)?

Author

Commented:
the problem was that user tried to send an attachment which was more than permissable limit. we have transport rule created for the users who can send attachments to a defined limit. We included the User's ID in it. Issue resolved.