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Marketplaces Need Auditable Evidence Behind Email Suppression Decisions

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A marketplace must stop welcome emails to invalid seller addresses without assuming every delivery failure proves an address is invalid. The article argues that a simple suppression flag cannot explain why a recipient was excluded, so teams should keep the address revision, delivery evidence, interpretation, and policy version. Source event time and application receipt time should be stored separately to allow accurate reconstruction. Temporary or unresolved failures must not be treated as invalid-address findings, and missing evidence should be recorded as a gap. The author notes that such auditability does not by itself ensure legal compliance, which requires separate review.

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