11/30/2018
Mail.XML Technical Specifications R48 (Version 3)
Version 3 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! System.
11/30/2018
Mail.dat Technical Specifications R48 (Version 3)
Version 3 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! System.
11/26/2018
2.4 Production R48.0.0.0
This describes the Mail.XML WSDLs that are supported in the Production Environment.
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.
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.