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How to change mailflow to Exchange online as all active mailbox are now on Exchange online in our Hybrid exchange 2016 environment

Ashwani A. Kumar 0 Reputation points
2024-03-05T02:47:41.3166667+00:00

We have 3 Exchange 2016 servers. All active mailboxes have been migrated to Exchange online. All emails still come to Exchange On-prem servers and then to Exchange online. How can the mailflow or mail routing be changed so that all emails directly go to Exchange online. I understand the send and receive connectors will need to be looked at, too.

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Exchange Online
A Microsoft email and calendaring hosted service.
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Exchange | Hybrid management
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  1. Kael Yao 37,746 Reputation points Moderator
    2024-03-05T07:16:15.7333333+00:00

    Hi @Ashwani A. Kumar,

    To have inbound emails be delivered to Exchange Online directly, you need to point your MX record to Exchange Online Protection service.

    More detailed information are introduced in this link: Inbound messages from the Internet

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