Melissa Knowledge Center

Matching/Deduplication

What is the Difference Between Deterministic Matching and Probabilistic Matching

Deterministic matching and probabilistic matching are the two main matching techniques used when clearing data duplicates.

NCOA

Understanding National Change of Address & Other Move Update Services

Correcting out-of-date addresses using NCOALink and other methods allows mailers to meet the USPS Move Update requirement.

Email

The Importance of Validating Email Syntax: Challenges and Solutions

Learn about the challenges associated with email syntax validation, why it's important, and the Melissa Email solutions that can help.

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