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Glossary

Suppression list

The addresses and domains you never write to again: the one record you keep of people who objected, across every channel.

A suppression list holds the addresses, numbers and domains you must never write to again, because the person objected or the address bounced. It’s the one use you may still make of their details after an objection. It should apply to every channel: someone who answers STOP by SMS doesn’t want a LinkedIn message the next day. Check it at the moment of sending, not only when a list is imported.