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...
jamesn450
Mar 15, 2022Copper Contributor
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
- Mar 15, 2022You 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