system for transporting documents and other small packages
correspondence
mails or messages written by a person and sent to one or several other persons
Balloon mail
post transported with gas ballons
Pony Express
former mail service in the Western United States
cursus publicus
transportation system in ancient Rome
Post office in Bytom
cultural heritage monument in Bytom, Poland
mail delivery by animal
form of mail delivery
Yam mail in Russia
state mail, messenger and passenger transportation system in the Tsardom of Russian and the Russian Empire
Surface mail
transportation of mail that travel on land and sea but not air
biber post
private mail and parcel service provider in Germany's federal states of Saxony-Anhalt and eastern Lower Saxony
military mail
postal services provided by armed forces that allow serving members to send and receive mail (to and from civilians and for military use)
fan mail
mail sent to a public figure by fans
telegraphy
long distance transmission of text without the physical exchange of an object
airmail
air transportation of mail
Boat Railway Post Office
over-water postal service in the US
local post
Mail service operating within a limited geographical area
airmail (since antiquity)
transport of messages by flying objects such as carrier pigeons, cannonballs, balloons, etc. through to rockets, helicopters and aeroplanes
Guernsey Post
postal service for the island of Guernsey, Channel Islands