New Mail.dat Technical Specifications mailomg 7 years ago The USPS has released new Mail.dat Specifications on June 9, 2019. Click to download Mail.dat Technical Specifications 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
