SMTP Tester Suite
SMTP Server Health Check 📧
Test connectivity, TLS, STARTTLS, or verify your own SMTP credentials instantly! 🚀
We do not save your data personally. All tests are ephemeral and credentials are never stored.
Ready to Test SMTP Servers 📧
Enter a mail server domain above and click "Run Connection Test" to check TCP connectivity, STARTTLS, and TLS negotiation.
📋 Recent Checks
No history yet. Run a test to see results here! 😊