Forum Discussion
jamesn450
Mar 10, 2022Copper Contributor
First time Install and Config Exchange Server 2019: Some questions
Hello everyone, I am pretty new to Exchange Server 2019 so I decide to give it a try from installation to final config I have processed the following: 1/ Register public domain (testexchange.com a...
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Mar 10, 2022While reading https://www.frankysweb.de/community/exchange2019/451-4-4-397-error-communicating-with-target-host/ it could be an issue on Google's side. Have you tried to send to a gmail.com domain? Or have you tried port 2525?