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How does user-level engagement differ from global engagement signals?

Engagement operates at two levels:

User-level engagement: Each recipient's personal history with your sending. Determines placement for that specific user. One user might inbox while another spams based on their individual interactions.

Global engagement: Aggregate engagement across all recipients. Shapes overall sender reputation. Affects baseline placement for new recipients and borderline cases.

A sender with strong global engagement but poor engagement from a specific user may still spam for that user.

A sender with weak global engagement but strong history with a specific user may still inbox for that user.

Your reputation at each individual port matters, and your overall fleet reputation matters. Both influence where you dock.