This document details software updates scheduled for Sunday, April 25, 2021. Impacted Commercial Systems include: — PostalOne! System Release 52.1.0.0 * — [...]
The Postal Service has released the following updated specifications (click to see): Mail.XML Technical Specification R50 (Version 2) Mail.dat Technical Specifications R50 [...]
The June Price Change 2019, PostalOne! System Release 49.0.0.0, will result in a new required Mail.dat client version. Users should download Mail.dat client version [...]
PostalOne! System Release 48.1.0.0 will result in a new required Mail.dat client version. Users should download Mail.dat client version 48.1.0.0_PROD from the Business [...]
The USPS has released an updated Mail.dat technical guide effective June 25, 2017. It outlines steps for exchanging electronic data with the PostalOne! system using the [...]
The USPS released May 21 the new Mail.dat comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! system using the Mail.dat file [...]
The Postal Service released the new Mail.dat Technical Specifications publication effective March 17, 2017. The 375-page document details steps for exchanging electronic data [...]
The USPS released the updated comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! system using the Mail.dat file format. The [...]