Postal certifications serve as a standard for address data quality measurement and allow customers to benefit of postage discounts. They are an absolute necessity if you plan to post bulk mail at discounted rates within specific countries. Customers like direct marketing agencies or online shops benefit from accurate addresses which culminates in more efficient and timely mail delivery.
Five postal organizations worldwide offer an official certification process for address validation software: USPS, Canada Post, La Poste in France, New Zealand Post and Australia Post. AddressDoctor's Software Library has achieved their stringent address data cleansing and validation criteria and received all of the five following certifications: