Release Notes
01/12/2020
January 12, 2020 Post-Release Notes Change 5.0
Release Notes
11/18/2019
Enterprise Payment System (EPS) Release 3.10.0.1 Release Notes (Change 3.0)
Release Notes
10/27/2019
PostalOne! System Release 49.2.0.2 Post-Release Notes (Change 2.0)
Release Notes
10/23/2019
PostalOne! System Release 49.2.0.1 Release Notes (Change 1.0)
Release Notes
10/10/2019
January 2020 Competitive Release Overview
Release Notes
10/06/2019
PostalOne! System Release 49.1.1.1
Release Notes
09/19/2019
January 2020 Market Dominant Release Overview
Release Notes
02/01/2019
PostalOne! R48.0.1.2 Pre-Release Notes Change 1.0
Release Notes
11/26/2018
2.3 Pre-Production R48.0.0.0

This section describes the Mail.XML WSDLs that are supported in the Pre-Production Environment.

Release Notes
11/26/2018
2.2 TEM R48.0.0.0

The USPS Test Environment for Mailers (TEM) is the dedicated Mail.XML test environment that is required for all new customers, as well as users migrating to a different electronic documentation (eDoc), to test their desired Mail.XML version in. TEM simulates the Production environment, and completion of TEM testing is required for access to the Production environment.