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PHP SMTP Email Tester

Test and validate your SMTP email configuration with ease

SMTP Server Configuration

Please provide a valid SMTP host.
Please provide a valid port number (1-65535).
Please provide a valid email address.
Please select an encryption type.
Please provide your SMTP password.

Email Details

Please provide a valid sender email address.
Please provide a valid recipient email address.
Please provide an email subject.
Please provide an email message.

Common SMTP Settings
  • Gmail: smtp.gmail.com:587 (TLS)
  • Yahoo: smtp.mail.yahoo.com:587 (TLS)
  • Outlook: smtp-mail.outlook.com:587 (TLS)
  • Office365: smtp.office365.com:587 (TLS)
Security Tips
  • • Use app-specific passwords for Gmail
  • • Enable 2FA for better security
  • • Always use TLS/SSL encryption
  • • Test with a dedicated test account