reject email from specific email and show as undelivered- O365

Is it possible to have a specific email address rejected and an undelivered message sent back to the sender, currently using O365 E3 licenses
350ztnAsked:
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Vasil Michev (MVP)Commented:
Yes, you can use Mail Flow rules to block the delivery: https://technet.microsoft.com/en-us/library/dn950026(v=exchg.150).aspx

The examples are about attachments, but you can simply remove that condition.
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