Welcome to SMTP Test Tool — your reliable and free solution to test SMTP email servers online. Our mission is to help developers, email marketers, and system admins diagnose and fix email delivery issues quickly and efficiently.
With our easy-to-use tool, you can check SMTP authentication, verify server connectivity, and send test emails with just a few clicks. No setup required — just real-time results you can trust.
Whether you're setting up a new email server, troubleshooting bounce issues, or verifying credentials, our tool is built to save you time and effort.
We’re continuously working to improve the tool’s features and provide more helpful utilities in the future.
Thank you for using SMTP Test Tool!