Yesterday Mike Dietz showcased some popular self-mailer formats and key concepts to consider when creating your designs. But there’s another critical component to self-mailers – USPS regulations regarding the placement of tabs or glue to close them. Improperly sealed self-mailers can result in the mailpiece being damaged or destroyed during processing. In addition, self-mailers not meeting tabbing/closure requirements are not eligible for automation discounts. Since neither of these are....