Hinnet mail

I think you meant to type "inland mail"!

Inland mail refers to mail that is sent within a country, as opposed to international mail, which is sent between countries. Inland mail is typically handled by the country's postal service, such as the United States Postal Service (USPS) in the United States.

Inland mail can include a wide range of mail types, such as:

Inland mail is typically subject to the same regulations and rates as international mail, but it is usually handled more quickly and efficiently since it does not need to be transported across international borders.