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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...
OK, so I learn that my ISP has blocked the port SMTP 25 which is used by most mail server to send/receive mail from/to outside mailer. I have asked the ISP to release the port however, they said it's blocked by the spam policy and not an option to open it, unless it's a registered commercial IP
What are the option that I have in this scenario? Using different port or anyway to bypass the port 25?
Thank you
What are the option that I have in this scenario? Using different port or anyway to bypass the port 25?
Thank you
You can't bypass it. You have to have the port free, the other thing you can do is to use a smart host service. Have you pointed you MX records to your Firewall? Do you have any send connectors configured?
https://docs.microsoft.com/en-us/exchange/plan-and-deploy/post-installation-tasks/configure-mail-flow-and-client-access?view=exchserver-2019
https://docs.microsoft.com/en-us/exchange/plan-and-deploy/post-installation-tasks/configure-mail-flow-and-client-access?view=exchserver-2019