Mail.dat Technical Specifications R50 (Final Version) mailomg 6 years ago The USPS has released the final version of the Mail.dat Tech Specifications, effective January 12, 2020 … (click to read) Share this: Share on X (Opens in new window) X Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print
