Why Can't I Mail It? - USPS Regulations on Booklets : Target Marketing

Why Can't I Mail It? - USPS Regulations on Booklets : Target Marketing: s you know from Part One of "Why Can't I Mail It?" with postcards and Part Two with self-mailers, there are many times that a design element causes a mailing to go at a higher rate of postage. This can be frustrating as well as expensive. In order to help you stay away from potential issues, here are some things to keep in mind as you are preparing a direct mail campaign.