User Guides
01/11/2022
DPV® Product Licensee Performance Requirements - CASS Cycle O

This document provides product licensee performance requirements for DPV®.

User Guides
10/26/2021
How to Submit Mail.XML Jobs to PostalOne!®

This guide provides step‐by‐step instructions for submitting electronic mailing information into the USPS® for Full‐Service letters & flats.

User Guides
10/26/2021
How to Submit Mail.dat Jobs to PostalOne!®

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

User Guides
08/06/2021
User Guides
08/06/2021
User Guides
08/06/2021
User Guides
08/06/2021
User Guides
06/18/2021
MTEOR Order Manual

The Mail Transport Equipment Ordering System (MTEOR) is a fast, reliable, and convenient place to order mail transport equipment (MTE) online. This manual instructs you on a MTESC orders and requests from a plant.

User Guides
06/18/2021
MTEOR Mailer Request Manual

MTEOR (Mail Transport Equipment Ordering system) for Local Mailers allows select Mailers to manage MTE requests from a Postal plant online through MTEOR. This document outlines the benefits fo this online application including easily requesting MTE online, real-time insight into the status of requests, and around the clock access.

User Guides
04/26/2021
Mailing and Shipping Solutions Center (MSSC) Topics

List of topics the MSSC can assist with. To reach the MSSC, email us at MSSC@usps.gov or call 1-877-672-0007 from 7:00AM – 7:00PM CT.