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What is the Return Path Certification Program (Validity)?

The Return Path Certification Program (now Validity Certification) is one of the most recognized global email certification programs. It verifies that senders meet strict standards for authentication, list management, and complaint handling.

The program maintains relationships with major mailbox providers who may grant preferential treatment to certified senders. This can include bypass of certain filters, priority handling, and access to enhanced feedback data.

Validity Certification requires meeting specific metrics for complaint rates, unknown user rates, and spam trap avoidance. Continuous monitoring ensures ongoing compliance with potential decertification for violations.

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