USPS Mailing Services team provides strategic incentives, offering various benefits and advantages to businesses and individuals.
New! Mailling Services Incentives | PostalPro (usps.com)
USPS Mailing Promotions seek to increase engagement and response rates for Mailers by leveraging high value mailpieces.
This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ CAT Release 184.108.40.206