Set Up an SMTP Server: Ensure you have an SMTP server configured. This can be done through your email service provider or by setting up your own server. Use Testing Tools: There are various SMTP testing tools available online that can help you test your server. These tools typically allow you to send a test email and check the server's response. Check for Errors: Review the test results for any errors or issues. Common issues include incorrect server settings, authentication failures, or network problems. Resolve Issues: If any errors are found, take steps to resolve them. This may involve adjusting your server settings or contacting your email service provider for support.