Technical Specifications
12/09/2020
2021 Technical Information

2021 Technical Information

Technical Specifications
12/07/2020
Mail.XML Technical Specifications R52 (Version 1)

This document contains information pertaining to Mail.XML and the USPS PostalOne! Release 52.0.0.0 taking place in January 2021.

Technical Specifications
12/07/2020
Mail.dat Technical Specifications R52 (Version 1)

This document is a comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne!® system using the Mail.dat® file format.

Technical Specifications
11/13/2020
2021 Promotions General Participation Guide

The new Promotions 2021 document pertaining to registering, mailing submissions, mail acceptance. 

Technical Specifications
08/12/2020
Informed Delivery Mailer Onboarding Guide

This is the Mailer Onboarding Guide for Informed Delivery Campaigns. This covers how to set up a Business Customer Gateway (BCG) account and permit account for testing Mail.dat and Mail.XML eDoc submissions for creating Informed Delivery Campaigns to PostalOne!

Please note, that as of July 2019, all new BCG accounts will need to be verified and approved by the Help Desk before they can be used for testing.

Technical Specifications
07/10/2020
Technical Specifications
07/10/2020
Technical Specifications
05/12/2020
Technical Specifications
03/10/2020