Sending out Email is not working at Google Cloud Run

Question

My application that hosted at GCP Cloudrun. The Email cannot send out from there. It work perfectly at localhost.

My email are hosted at G-suite.

Anyone have encounter this issue?

Answer 1

You can't send email from Google Cloud. SMTP port (25) are not usable. The only way is to use third party solution, such as twillio or sendgrid.

Answer 2

You can use Port 587 to send email. It works on Cloud Run.