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Mail.dat

New Mail.dat Specs Released

June 1, 2017 // 0 Comments

The USPS released May 21 the new Mail.dat comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! system using the Mail.dat file [...]

New Mail.dat Specs From USPS

March 20, 2017 // 0 Comments

The Postal Service released the new Mail.dat Technical Specifications publication effective March 17, 2017. The 375-page document details steps for exchanging electronic data [...]