Pricing & Classification DMM Advisory

Message board to keep postal customers informed of changes to mailing standards, services, and prices.

May 29, 2015

PostalOne!® Release

PostalOne!® Release will be deployed on Sunday morning May 31, 2015 between 4 AM and 10 AM CT. This release includes fixes to Release 41.0. It will require an extended maintenance window and the PostalOne! system will not be available on May 31, 2015 between 4 AM and 10 AM CT. An optional Mail.dat® client download will be created with this release. The download will not auto-update nor be required for submission of Mail.dat. Changes in validation of update jobs will occur in both of the available clients ( and and both will be supported.

PostalOne! Release Deployment to Test Environment for Mailers (TEM) – will occur on Sunday morning May 31, 2015. The PostalOne! TEM validation will occur on Monday, June 1, 2015 between 9 AM and 11 AM CT. TEM will not be available until after validation is completed at 11 AM on Monday, June 1, 2015.

Release notes for PostalOne! Release and can be found on