SMTP Server Test Tool – Diagnose Email Delivery Instantly

Quickly verify your SMTP server settings and simulate a test email.

SMTP Server Configuration

Enter your mail server hostname (e.g., smtp.gmail.com)

Email Details

Test Results

Feature Highlights

Real-time Connection Testing

Test SMTP connections instantly with detailed response data.

SSL & TLS Security

Test secure connections with multiple encryption methods.

Multiple Auth Methods

Support for LOGIN, PLAIN, and CRAM-MD5 authentication.

Detailed SMTP Logs

See the complete SMTP conversation for troubleshooting.

Common Port Support

Test on ports 25, 465, 587, and 2525 with one click.

Email Delivery Simulation

Send actual test emails to verify complete delivery flow.

Unlock Advanced Features with Pro Version

Get unlimited testing, detailed error reports, and configuration saving.

SMTP Server Test Tool v1.0.0 | Built for WordPress | Documentation | Support