• 06/18/2025

    PostalOne! Release 62.0.0.0 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 62.0.0.0

  • Tech Guides
    06/18/2025
    PostalOne! Release 62.0.0.0 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 62.0.0.0

    Tech Guides
    06/18/2025
    PostalOne! Release 62.0.0.0 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 62.0.0.0

    Announcements
    06/17/2025
    Post Office/ZIP Code Entries for Postal Bulletin 6/26/2025

    This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 6/26/2025.

    Announcements
    06/17/2025
    User Guides
    06/17/2025
    Provisioning Informed Delivery® Post-Campaign (IDPC) Data in Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

    This guide provides instructions for receiving Informed Delivery Post-Campaign (IDPC) detailed data through the IV Mail Tracking & Reporting (IV-MTR) application. Instructions include how to access the application, create a one-time query, create and manage a data feed, manage the address book, and manage data delegation.

    Presentations
    06/17/2025
    Orientation Training for Informed Visibility® - Mail Tracking & Reporting (IV®-MTR)

    This presentation provides an introduction to the IV-MTR application, including its purpose, user access, layout, navigation controls, and support resources.

    User Guides
    06/17/2025
    Informed Visibility® Mail Tracking & Reporting (IV®-MTR) User Guide

    The User Guide describes the prerequisites for receiving mail tracking data through IV-MTR, the data provisioning options available, and how to use the application for tracking commercial domestic-bound barcoded letters and flats.

    User Guides
    06/17/2025
    Applying for Access to Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

    This presentation provides instructions for applying for access to the IV Mail Tracking & Reporting application (IV-MTR). The instructions include how to register for a Business Customer Gateway (BCG) account, add the IV-MTR service in the BCG, and how to sign in to the IV-MTR portal to begin using the service. 

    Fact Sheets
    06/16/2025
    Tech Guides
    06/13/2025
    Informed Delivery Mail.XML Mailer Guide

    This is a guide for submitting campaigns to PostalOne! via Mail.XML electronic documentation (eDoc).

    Tech Guides
    06/13/2025
    Informed Delivery Mail.dat Mailer Guide

    This is a mailer guide for creating campaigns via PostalOne! through Mail.dat eDoc submission.

    Data Files
    06/10/2025
    Release Notes
    06/10/2025
    May 2025 Release Overview

    Release Overview May 2025 

    Technical Specifications
    06/10/2025
    Technical Specifications
    06/10/2025