How to Track Certified Mail - US Global Mail
Created in 1955, the United States Postal Service (USPS) established Certified Mail to act as a “proof of mailing” solution for those sending packages, parcels, and letters via first-class delivery. A major step forward for the USPS, the service was considered to be a much more affordable solution compared to Registered Mail – a service that have been available through the USPS since the ...