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Exchange 2019 SMTP Relay Issue After Adding New Server to Send Connector
I have an Exchange environment with two Exchange 2019 servers — one on-premises (EX01) and the other recently deployed in an Azure VM (EX02). The goal is to eventually decommission the old on-premise...
That's good, but they still need to request port 25 being open on selected subscription. So port is blocked for all subscriptions, but only Enterprise customers can request it to be unblocked on selected subs.
KonstaUPM Thanks for that extra bit there mate. What could we use in this case to test it out properly to see whether its actually open or closed?
Thanks again!