If you've deployed your application on Render and noticed that emails are not being sent, you're definitely not the only one.

I recently faced this issue while deploying my project:

https://rizzzler.onrender.com

After spending hours debugging my code, checking environment variables, testing SMTP credentials, and reading logs, I finally discovered the real cause:

The hosting environment was restricting outbound SMTP connections, preventing my application from connecting to the mail server.