Spam Complaint Rate Risk Calculator

Model complaint risk from list size, expected reports, and Gmail thresholds.

How it works

Is your spam-complaint rate in the danger zone?

Enter emails sent + spam complaints → click Check complaint rate → compare to common benchmarks (many teams treat ~0.1% as a Gmail red line).

Or start from a real-life example

Results appear here after you click Check complaint rate.

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New accounts get free signup credits. Fix the copy, then send from MailShrine.