Trim Costs After the Postal Rate Increase

Delivery Sequence File Second Generation: You’ve got a customer’s name and address, so you’re pretty sure you can get catalogs to her door, right? Not necessarily. What the customer can’t or won’t tell you is how she gets her mail. That’s where the U.S. Postal Service’s (USPS) Delivery Sequence File: Second Generation (DSF2) can come into play.