Forum Discussion
Exchange On Premise - MTA-STS protocol
Hi, I read https://learn.microsoft.com/en-us/purview/enhancing-mail-flow-with-mta-sts and only Exchange Online is discussed. Exchange On Premise doesn't seem to be mentioned. So I have t...
Hi Douwa29
You can use MTA-STS for Inbound Traffic. As long as the Sender Supports MTA-STS that will work with any SMTP Server.
Exchange Server does not use MTA-STS when sending Outbound Traffic.
Kind Regards
Andres