Intelligent Mail® for Small Business (IMsb) Fact Sheet

This fact sheet contains an overview of the IMsb Tool, its benefits, and how it works.

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.

July 2023 - Release - FAQ

WestPac Area – Hawaii District -- Resumed Operations -- Saipan Post Office (96950)

WestPac Area – Hawaii District -- Closed Post Offices (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

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

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

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

Central Area – Michigan 2 District – Farwell Post Office and Lake Post Office – Resumed Operations