How to enable port 25 in oracle cloud instance?

I want to setup a SMTP server in my oracle instance which is running windows server 2012. For that i need to open port 25 in my VPS . How can i enable port 25 in my VPS ?

https://stackoverflow.com/questions/66941593/how-to-enable-port-25-in-oracle-cloud-instance April 04, 2021 at 09:07PM