How do I interpret deliverability warnings?

Updated Nov 2, 2026

The Feedback Loop page uses statuses to show what needs attention.

Statuses and thresholds

  • Healthy, Watch, Warning, Critical: the sender deliverability health from the last 30 days. Idle means there is too little sending to judge.
  • Rates are critical at a 10% bounce rate, a 0.3% complaint rate and a 2% unsubscribe rate.
  • Health warnings are a report; they do not stop sending. Sending restrictions do affect sending.
  • The 30-day trend appears after seven days of history.

More details in the FAQ

The FAQ is in the MailRush.io app under Support (sign-in required).

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