Air up mail

I think you meant to say "air mail"!

Air mail is a type of mail service that uses aircraft to transport mail and packages between destinations. It was first introduced in the early 20th century and revolutionized the way mail was delivered, allowing for faster and more efficient transportation of mail across long distances.

Air mail was initially used for international mail, but it soon became popular for domestic mail as well. The first air mail service in the United States was established in 1918, and it quickly expanded to other countries.

Air mail has undergone many changes over the years, with advancements in technology and transportation leading to faster and more reliable delivery times. Today, air mail is an essential part of the global postal system, allowing people to send mail and packages quickly and efficiently around the world.