Suppression Management
The "do not board" list. A suppression list is your permanent do not mail record. It's the most important list you have, ensuring that "passengers" (users) who have unsubscribed or bounced never get put back on the ship by accident.
Questions about Suppression Management
What is an email suppression list?
What types of addresses should be on a suppression list (bounces, unsubscribes, complaints)?
Should suppressions be global or list-specific?
How do ESPs typically handle suppressions?
How long should addresses stay on a suppression list?
Can I manually add addresses to a suppression list?