January 2018 PostalOne! Changes

On Sunday, January 7, 2018, the United States Postal Service will implement the following software changes: 1) PostalOne! System Release; 2) Business Intelligence [...]

New Mail.dat Specs Released

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 [...]