Free SMTP Tester Tool | Check SMTP Server, Email Delivery

Free SMTP Tester Tool

Free SMTP Tester

Enter your SMTP details below to test your email configuration.


About This SMTP Tester

Our free SMTP Tester helps you verify your SMTP server configuration before using it in your website, application, or email marketing platform. Simply enter your SMTP host, port, username, password, encryption type, sender email, recipient email, subject, and message to check whether your SMTP credentials are configured correctly.

This tool is useful for developers, website owners, businesses, and system administrators who need to troubleshoot email delivery issues. Testing your SMTP configuration can help identify authentication problems, incorrect ports, SSL/TLS issues, or server connectivity errors before sending real emails.

How to Use

  1. Enter your SMTP server hostname.
  2. Select the correct SMTP port.
  3. Provide your username and password.
  4. Choose SSL, TLS, or no encryption.
  5. Enter the sender and recipient email addresses.
  6. Write a subject and message.
  7. Click the Test SMTP button to verify your configuration.

Features

  • Fast SMTP configuration testing
  • Supports SSL and TLS encryption
  • Simple and user-friendly interface
  • Responsive design for desktop and mobile
  • Helps identify authentication errors
  • Checks SMTP server connectivity
  • Useful for websites, applications, and email services

Who Can Use This Tool?

This SMTP Tester is designed for web developers, WordPress users, hosting customers, software developers, email marketers, businesses, and anyone who wants to verify SMTP settings before sending emails from their website or application.

Disclaimer

This tool is intended for testing SMTP configurations only. Always ensure you have permission to access and use the SMTP server you are testing. Unauthorized access to third-party mail servers is prohibited.