Forum Discussion
Exchange Online External OOF
We have a hybrid Exchange 2016/O365 implementation. Whenever a user with a milbox in Exchange Online sets their "Automated Replies" a.k.a. Out Of Office the resulting OOF message end up in the sender...
Hi Robert
Could you share the header so the I can analyse what is exactly causing the issue. If you can't obviously for privacy reasons try analysing the message header on your end. You could go to https://testconnectivity.microsoft.com/ and analyse message header there.
Thanks
Robin Nishad