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Tobias Renn

Founding writer

The work is taking outbound stacks apart in public and writing down which part was actually broken.

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Why a reverse-ETL sync changes the weekly deliverability review

Tobias Renn · · Deliverability

When bounce data and suppression logic live only in the ESP, the weekly deliverability review is mostly a reconciliation exercise. Moving the source of truth to the warehouse, and closing the loop with a reverse-ETL sync, changes the review from manual data assembly to query-and-confirm.