SMTP Connection Tester

Test any SMTP server and view the full exchange to diagnose email issues.

SMTP Configuration
Enter your SMTP server details

Common ports: 25, 465, 587

Enable to send a test email after successful connection

Terminal Output
SMTP connection logs will appear here
Ready to test SMTP connection...

Free SMTP Test Tool : Test SMTP servers like Sendgrid, Mailgun & SES for email issues