Navigate the world of direct mail with our glossary of common industry terms and acronyms.
CASS Certification
Coding Accuracy Support System - USPS certification for address accuracy
EDDM
Every Door Direct Mail - USPS program for saturation mailings without a mailing list
IMb
Intelligent Mail Barcode - USPS tracking barcode for mail pieces
NCOA
National Change of Address - Database for updating moved addresses
Presort
Sorting mail by ZIP code to qualify for USPS postage discounts
Variable Data
Printing that changes text or images for each piece based on recipient data
Commingling
Combining mail from multiple clients to achieve better postal discounts
Full-Service
USPS program providing detailed tracking and delivery information
Lettershop
Facility that processes mail including printing, folding, inserting, and mailing
Suppression File
List of addresses to exclude from a mailing (e.g., do-not-mail requests)