The United States Postal Service® (USPS®) is issuing a mandatory software update for the PostalOne! production system this weekend. This update will be implemented on Sunday, June 25, 2017. The PostalOne! Production (PROD) system will not be available during this update process, on Sunday morning June 25, 2017. PostalOne! will then be updating the Test Environment for Mailers (TEM) on Monday, June 26, 2017 and TEM will be unavailable during that update period.
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