The United States Postal Service® (USPS®) 2017 price changes took effect on Sunday, January 22, 2017. These price changes impact virtually all classes of mail and processing categories in both the competitive and market dominant services. The PostalOne! production system was updated to support the pricing changes on Sunday, January 8, 2017. At that time, the new Mail.dat® client download for the Production Environment became version 22.214.171.124_PROD; all previous versions of the Mail.dat client were expired. Details of the changes for this update may be found on the USPS RIBBS® web site for the 126.96.36.199 Release Notes.
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