Publications
05/30/2023
Labeling List Changes Effective July 1, 2023

Effective July 1, 2023, we are revising Labeling List(s) L001, L002, L004, L005, L007, L008, L009, L011, L012, L015, L051, L201, L606, L607, and L801 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings that are inducted on or after the July 1, 2023, effective date, but no later than August 31, 2023, expiration date. The changes will be published in the Postal Bulletin, Issue #22626.

FAQs
05/26/2023
Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 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 58.0.0.0

Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 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 58.0.0.0

Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 Mail.XML PrePROD WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PrePROD Release 58.0.0.0

Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 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 58.0.0.0