Live Utility

SMTP Live Diagnostic Console

Test and identify outbound SMTP issues (firewall blocks, TLS handshakes, credentials) directly from your live server environment.

SMTP Settings

Presets:
Credentials
Test Email Parameters

Diagnostics Output & Terminal

smtp_test_session.shIDLE
System idle. Configure settings on the left and click "Run SMTP Diagnostics" to begin testing TCP socket connectivity, SSL/TLS handshake, and SMTP protocols.