What Is CASS? How Postalytics Uses USPS Address Validation to Deliver Smarter Direct Mail

In the world of direct mail, accuracy is everything. Every misdirected postcard or undeliverable letter doesn’t just waste budget—it erodes trust, reduces ROI, and leaves marketing teams in the dark. That’s where CASS comes in. At Postalytics, we use the USPS CASS system to ensure that your … Read more about What Is CASS? How Postalytics Uses USPS Address Validation to Deliver Smarter Direct Mail