Is there any port I need to allow in google VM instances to allow SMTP?

General

I am trying to make SMTP work using google the code is working fine locally but it is not working on google VM instances

So I am wondering if there are any ports or anything I need to do on the servers to make it work ?

Thanks in advance

Comments

Eslam Zedan

14 Feb 2022

Best Answer

After some research the problem was with Gmail I opened that URL //accounts.google.com/DisplayUnlockCaptcha and it worked like magic.