Quick Service Guides
11/13/2017
Mailers' Technical Advisory Committee (MTAC) Task Team Guidelines

An MTAC Task Team is comprised of industry and postal participants who are focused on a clearly defined ask with a strict deadline. This document provides guidelines for Task Teams.

Release Notes
11/09/2017
PostalOne! R47.0.0.0 Pre-Release Notes-Change 1.1

January Pre-release notes. Change 1.1.

Error Codes
11/09/2017
Mail.dat Validations R47 (PDF Version)

Postal Service eDoc Error Codes

Error Codes
11/09/2017
Mail.dat Validations R47 (Excel Version)

Mail.dat error codes

Tech Guides
11/09/2017
Mail.dat Technical Specifications R47 V3

Version 3 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! system.