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New Mail.dat Specs Released

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 format. The intended audience is business mailers who create or use mailing data in the preparation or production of business mail and who also want to conduct business electronically in lieu of the hardcopy forms and processes that were traditionally used in business mail acceptance. (Click to download)