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Free SMTP Email Tester

Test your SMTP server configuration by sending a test email

SMTP Server Settings

Email Details

Your credentials are used only for this test and are never stored or logged.

Verify your SMTP email configuration works correctly before deploying to production. Enter your SMTP server details and send a test email instantly.

Features

  • Multiple Encryption Types - Support for no encryption, SSL/TLS (port 465), and STARTTLS (port 587)
  • Instant Feedback - Get clear success or error messages with troubleshooting tips
  • Secure - Your credentials are used only for the test and are never stored
  • Common Providers - Works with Gmail, Outlook, SendGrid, Mailgun, Amazon SES, and any SMTP server

How It Works

  1. Enter your SMTP server details (host, port, credentials)
  2. Choose the encryption type (None, SSL/TLS, or STARTTLS)
  3. Enter the sender and recipient email addresses
  4. Click "Send Test Email" to verify your configuration

Privacy Note: Your SMTP credentials are transmitted securely and used only for the single test. They are never logged or stored on our servers.