Release Notes
11/26/2025
11/26/2025
Program Requirements
11/26/2025
11/26/2025
Tech Guides
11/26/2025
11/26/2025
PostalOne! Release 63.0.0.0 Mail.XML TEM WSDLs
This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 63.0.0.0
Tech Guides
11/26/2025
11/26/2025
Tech Guides
11/26/2025
11/26/2025
PostalOne! Release 63.0.0.0 Mail.XML PROD WSDLs
This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 63.0.0.0
Tech Guides
11/26/2025
11/26/2025
PostalOne! Release 63.0.0.0 Mail.XML CAT WSDLs
This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ CAT Release 63.0.0.0
Contact Lists
11/26/2025
11/26/2025
Contact Lists
11/26/2025
11/26/2025
RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)
This document outlines the CASS/MASS certified vendors list for RDI™ Cycle O.
Contact Lists
11/26/2025
11/26/2025
Contact Lists
11/26/2025
11/26/2025