mail delivery

The postal system is an institution, typically government-controlled, responsible for conveying letters, packets, and parcels to designated recipients with established standards of regularity, speed, and security. This service is prepaid by the sender, usually through postage stamps. The core function of postal services involves processing individual items for bulk handling while ensuring they regain their individual status for final delivery.12

The process includes collecting and sorting mail, often using automated machinery and extensive transportation networks like trucks, trains, and air services. Mail is then transported to destination sorting offices for final distribution to individual addresses, typically on a house-to-house basis. Beyond traditional mail, postal systems often provide ancillary services such as banking, social security benefit distribution, and tax collection. Historically, postal systems evolved from private undertakings to state monopolies, with significant developments in the United States including the introduction of uniform postage rates, free delivery, and various supplementary services like parcel post and express mail.231456