SMTP Server Testing Tool

SMTP Server Test Tool

Test your SMTP server configuration and ensure your emails are delivered correctly

How to Use This Tool

1. Fill in your SMTP server details (host, port, security)
2. Enter your authentication credentials (username and password)
3. Specify the sender and recipient email addresses
4. Add a subject and message for your test email
5. Click "Test SMTP Connection" to validate your settings
6. Review the results to troubleshoot any issues

Important Notes

• This tool runs in your browser and doesn't store your credentials
• For security, use app-specific passwords when possible
• Common ports: 25 (non-secure), 587 (TLS), 465 (SSL)
• If test fails, check firewall settings and SMTP server configuration

SMTP Server Host

SMTP Port

Security

None TLS SSL

Username

Password

From Email

To Email

Subject

Message This is a test message from the SMTP Test Tool

Testing SMTP connection. This may take a few seconds...

Connection Successful

Your SMTP settings are correct and the test email was sent successfully.

SMTP server response will appear here

Secure Testing

Your credentials are processed securely in your browser and are not stored on any server.

Quick Results

Get immediate feedback on your SMTP configuration with detailed error messages.

User-Friendly

Designed for both technical and non-technical users with clear instructions.

SMTP Test Tool © 2023 | This tool runs entirely in your browser