User Guides
06/29/2026
Viewing MGI Credit Balances and Postage Statements

My Products Portal customers can view incentive credit balances and postage statements
associated with their account through the portal.

Release Notes
06/28/2026
Release Notes
06/27/2026
Fact Sheets
06/25/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Fact Sheet

This fact sheet provides an overview of the benefits of the IV-MTR application and where to go for more information.

Publications
06/24/2026
Data Files
06/24/2026
Updated List: Service Type Codes for Intelligent Mail® Package Barcode (IMpb)

This document provides the updated service type codes for  Intelligent Mail® Package Barcodes.

Presentations
06/23/2026
FAQs
06/23/2026
Release Notes
06/18/2026
Program Requirements
06/18/2026
Program Requirements
06/18/2026
Program Requirements
06/18/2026
Program Requirements
06/18/2026
Program Requirements
06/18/2026
Applications/ Forms
06/18/2026
Tech Guides
06/16/2026
PostalOne! Release 64.0.0.0 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 64.0.0.0

Tech Guides
06/16/2026
PostalOne! Release 64.0.0.0 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 64.0.0.0

Tech Guides
06/16/2026
PostalOne! Release 64.0.0.0 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 64.0.0.0

Presentations
06/16/2026
Announcements
06/16/2026
Release Notes
06/16/2026
Release Notes
06/12/2026
Release Notes
06/12/2026
July 2026 Release Overview

Note: For the latest technical specifications, please see the July 2026 Price Change Release Notes as they are published. Mail.dat and Mail.XML updates required for this release.