Who this applies to#
- Applies to provider-specific complaint reporting and sender monitoring
What Spam complaint rate requires#
- Gmail publishes a hard spam ceiling below 0.3 percent and Yahoo publishes its own provider guidance
What this does not require#
- A universal denominator cannot be inferred across Gmail and Yahoo reporting
Common mistakes#
- Treating provider complaint rates as interchangeable
Spam complaint rate checklist#
- Name the provider
- Preserve its denominator
- Monitor the published threshold
Commonly confused with#
OnVoard's take#
Complaint rate is only meaningful with the provider, denominator, and measurement definition beside it.