Forum Discussion
Pointing MX and Autodiscover to 365
We recently migrated to Exchange Online via Exchange Hybrid. MX and Autodiscover are still pointed to on-prem environment as we have room booking mailboxes and resource mailboxes located on-prem. Is ...
If you have an Exchange Server on-premises in a hybrid configuration, you can use Basic auth to authenticate with the Exchange Server on-premises or configure the Exchange Server on-premises with a Receive connector that Allow anonymous relay on Exchange servers.
Exchange Online to retire Basic auth for Client Submission (SMTP AUTH)