SMTP check

MailFix

Validate SMTP setup and sending readiness

SMTP Check

Validate SMTP setup and sending readiness

MailFix SMTP checks help identify connection and auth issues that can hurt deliverability.

What you get with MailFix

  • - SMTP diagnostics with actionable output
  • - Combined with DNS/authentication checks
  • - Useful for pre-campaign validation
Open SMTP checkerView pricing