Mail art is a populist artistic movement that involves sending small scale artworks through the postal service. It originated from the anti-commercial Fluxus movement in the 1950s and 1960s, and was pioneered by American artist Ray Johnson and his New York Correspondence School. Nowadays, while technology has been incorporated to spread art digitally, the defining characteristic of mail art remains sending pieces through postal mail. Prison artists have also engaged with the medium.

1. Mail Art

2. Definition
 Mail art (also known as Postal art and Correspondence
art) is a populist artistic movement centered around
sending small scale works through the postal service.
 It initially developed out of the Fluxus movement (anti-
commercial) in the 1950s and 60s, though it has since
developed into a global movement that continues to the
present.
 Sometimes, the artists organised exhibitions of the art
received without any limitation
 The American artist Ray Johnson is considered to be the
first mail artist, and the New York Correspondence
School that he developed is considered the first self-
conscious network of mail artists

3. Ray Johnson
 Correspondence is "a way to convey a message or a
kind of idea to someone which is not verbal; it is not
a confrontation of two people. It's an object which is
opened in privacy, probably, and the message is
looked at ... You look at the object and, depending on
your degree of interest, it very directly gets across to
you what is there ...“ (Ray Johnson)

5. Nowadays
 There are still groups of people who practice mail art
 Tecnology has been incorporated to this movement
in the part of spreading the art, publishing the pieces
in blocs, webs, etc.
 The main characteristic now continue being «to be
sended by postal mail»

6. Prison artists

7. Prison artists

8.  http://memoriesaremadeofthismailart.blogspot.co.u
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castell.html