January 2020 Releases (Includes Price Change Information)

Release information for the January 2020 deployment. This includes price change information. For technical specifications and error codes please visit the bottom of this page. 

*NOTE: Mail.dat Client Support -There is a new required Mail.dat client with this release. Users should download Mail.dat client 50.0.0.0_PROD from the Business Customer Gateway (BCG) using the following path: Mailing Services è Electronic Data Exchange [Go to Service] è Mail.dat download (Windows 32-bit, Windows 64-bit or Solaris).

For the Known Issue List: January 2020 Price Change Release, please click here: https://postalpro.usps.com/KnownIssuesListJan2020PriceChangeRelease

For the January 12, 2020 Post-Release Notes Change 5.0 click here

For the January 2020 Market Dominant Release Overview click here. 

For the January 2020 Competitive Release Overview click here.

For the Publication 205 Electronic Verification System Business and Technical Guide click here.

For the January 26, 2020 Pre-Release Notes click here.

For updated prices and postage statements please click here.