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martyphillips
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O365 Emails from one domain delivered to the wrong recipient

We recently migrated to a hosted O365 deployment.  Email from one certain domain is being delivered to our admin rather than the mailbox that it is intended for.  From outlook I set up a rule for any mail from that recipient to the intended user = forward mail to that user.  This did not work, the mail from this person (outside of our domain) continues to be delivered to the wrong user.  Any suggestion welcome.
Microsoft 365Email ServersExchangeOutlook

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David Atkin

8/22/2022 - Mon
David Atkin

Start by looking at the Message Trace for the email in office 365.  See if that gives any clues for why its forwarding.

Check the mailbox it's meant to be going to, make sure there's not any rules in place for the forward.
martyphillips

ASKER
Thanks for your help.  I checked the mail trace and the domain is being treated as spam even though it is a legitimate domain.  It's from a bank.  So, I have created a rule to allow that traffic but it didn't seem to help.  I just set it up to forward to the intended user and will have the sender try again at their convenience.  I will let you know the results.
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David Atkin

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martyphillips

ASKER
Yes, that's exactly the steps I took from that same site.  I am waiting the results of the test now.
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David Atkin

Great stuff :)
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David Atkin

Thank you for sharing the solution and for the points