Announcements
04/29/2016
Postal Service Mail.dat Technical Specification v3 (43)

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

Announcements
04/19/2016
Licensing Announcement: Zero Table Issues

Information as of April 19, 2016 concerning issues with the Zero Table for National Change of Address (NCOALink®) Mail Processing Equipment (MPE) Data Users. 

Announcements
04/15/2016
Reminder on Updated MPE Testing Requirements

This document provides updated MPE Testing Requirements.

Announcements
04/11/2016
Electronic Verification System (eVS®) Approved Product List

This document contains an updated listing of eVS approved products.

Announcements
03/25/2016
Licensing Announcement: LACSLink® File Size Expansion

In an effort to reduce the number of density-related collisions (false positives) in the LACSLink Product, the file size of the llk.hsa binary hash table will increase.