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Bounce Suppression Rules — Hard bounces are forever—learn when to suppress and when to retry. See Best Practices →

What’s the lifespan of a bounce event for hygiene rules?

A hard bounce is permanent. Its lifespan is forever and the address must be suppressed immediately. A soft bounce is temporary. Its lifespan depends on your retry rules which usually suppress an address after three to five failed attempts across separate campaigns. This approach protects your reputation while allowing temporary conditions to resolve.

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