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Complaint Handling & Mitigation

The "magic" report that tells you who complained. This section explains the Feedback Loop (FBL)—an agreement where a mailbox provider (like Yahoo) sends you a report every time a user hits the "Spam" button. This is the most critical "damage report" a captain can receive.

7 questions in this topic

What happens technically when a user marks an email as spam? How should I process FBL reports to suppress complainers? What are common reasons for high spam complaints? What is an acceptable complaint rate? How quickly do complaints impact inboxing? How do ESPs process and remove complainers automatically? Can I ask users not to mark emails as spam?