3 ms·
Literally no one else on earth can ship first class mail aside from the USPS. It is a federal crime. The USPS has a government enforced monopoly on the delivery
by missedthecue 6y ago
Literally no one else on earth can ship first class mail aside from the USPS. It is a federal crime. The USPS has a government enforced monopoly on the delivery of mail which is why UPS can only deliver packages.