SMTP Mail Gateway Configuration

Enable automated invoice dispatch, technician assignment notifications, and customer contract updates.

Relay Online
Requires Authentication

Diagnostic Terminal

Test SMTP configuration by delivering an invoice preview test.

> Diagnostics idle. Ready to test.

cPanel Recommended Port Settings

Depending on your cPanel host (e.g., Exim, Postfix), use one of these combinations:

  • Port 465 + SSL (Highly recommended)
  • Port 587 + STARTTLS
  • Port 25 + No encryption

Ensure SPF and DKIM DNS records are added to your domain cPanel zone editor to reduce junk filtration.