Complaint Rate Target Calculator
Complaint thresholds are absolute, not relative to history. This tool gives you the per-send and per-month complaint allowance.
| MBP | Threshold | Max complaints/month |
|---|---|---|
| Gmail | 0.3% | 150 |
| Microsoft (Outlook, Hotmail, Live) | 0.1% | 50 |
| Yahoo / AOL | 0.2% | 100 |
| Apple iCloud | 0.2% | 100 |
Microsoft's 0.1% is the strictest. Plan to stay under that across all MBPs.
Given your send volume, returns the max complaint count before tripping Gmail (0.3%), Microsoft (0.1%), and Yahoo (variable but ~0.2%) thresholds.
Before scaling a campaign. After receiving a complaint-rate warning from any MBP.
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