Looking for loads to haul?

On Sunday, January 7, 2024, the United States Postal Service has scheduled software updates for the following system:
– PostalOne! System Release 59.0.0.0*
– There will be a new Mail.dat client 59.0.0.0_PROD available after this release.


New client 59.0.0.0_PROD will become mandatory client after January 7, 2024, release, and current Mail.dat client 58.0.0.0_PROD will no longer be supported.

After implementation activities conclude, users should download Mail.dat client 59.0.0.0_PROD from the Business Customer Gateway (BCG) using the following path: Mailing Services > Electronic Data Exchange [Go to Service] > Mail.dat download (Windows 32-bit, Windows 64-bit or Solaris).

-Industry Alert