How do you interpret spam rate graphs in Gmail Postmaster?
Spam rate in Gmail Postmaster Tools indicates user complaint levels:
- Below 0.1%: Healthy. Users are not marking your mail as spam.
- 0.1% to 0.3%: Concerning. Some users find your mail unwanted. Investigate.
Above 0.3%: Critical. You are generating significant complaints. Expect deliverability impact.
Above 0.5%: Emergency. Major reputation damage likely. Immediate action required.
Track trends over time. A spike after a specific campaign reveals what triggered complaints.
Your complaint meter. Keep it green, act fast when it turns yellow or red.
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