exchange 2010

we are not receiving emails from donald.reed@mmproperties.com, it doesn't reach our proofpoint gateway

what needs to be checked, this domain is not blacklisted
pramod1Asked:
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Will SzymkowskiSenior Solution ArchitectCommented:
In this situation where you are not even seeing the email at your Edge appliance level this is most likely and issue with the sending servers end.

Have that user check their Exchange server Queue and see why it is not sending. If it is not getting to the internet there is probably an issue on the senders end.

Will.

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