See also:
- Art by the Yard - Descriptions of mail art techniques, methods and materials to transform ordinary correspondence into art and faux postage.
- Art Cover Exchange - A place to exchange hand-decorated covers with other members. The concept is to send a cover with a hand-made cachet to a member and receive one in return.
- Art Mail at Kiyotei's Den - Galleries, interviews, mail art calls and essential art links. Graphics, art, collaborations and mail art.
- Arte y Correo - Mail art, collage and poetry by Irene Ronchetti
- Artistamps of Azubia - This is a collection of faux postage from the postal authority of Azubia created by Karen Winters.
- Boek 861: Mail Art y Poesía Visual - Visual poetry and mail art workshop from Spain (in English and Spanish)
- Book - Collaborative exhibition of a sketchbook shared by four artists from both sides of the Atlantic.
- Carving Consortium Swaps - Cryptic Web - Artist trading cards, postcards, medallions and other media created with hand-carved stamps.
- Denis Charmot Art - Mailart, collage and resources in French and English.
- El Taller de Zenon - Mail art site in Sevilla-Spain, with galleries of received works, plastic arts and communication about postal art.
- Fan Mail - Extensive galleries, information on artists, and worldwide mail art calls.
- Fiona Thorning Design - The art of Fiona Thorning and documentation for several mail art calls.
- Footeprints Mailart - Examples of work by the mail artist Gary Foote with links postal art information and art calls.
- Global Mail Artists Group - Yahoo group for listing mail art sites or blogs and swapping art with others.
- Graceful Envelope Contest - The National Postal Museum's Graceful Envelope Contest, sponsored by the Washington Calligraphers Guild.
- Guy Bleus - Art and writings from Belgian mail artist Guy Bleus.
- ICIS: International Council of Independent States - The United Nation of ficticious states. Imaginary countries that issue postage stamps, currency and publications.
- INTERNATIONAL MAIL ART ARTISTS GROUP (I-MAG) - International Mail Art Artists Group (I-MAG) of Kuala Lumpur.
- Jenny de Groot's Femailart - Online exhibition, information and links on mailart with the devil's picturebook playing cards, and poetry.
- Jeremy Adolphson's Collection - A fine collection of galleries displaying artwork created on 4X6 cards by international artists.
- Ken Turmel's Postmark Art - Overlays postmarks, stamps, and signatures on maps.
- Mail Art Postcard Exhibition - A blog by Mick Boyle of Pennsylvania detailing various mailart calls and correspondence.
- Mail Art WebRing - A group of sites with content relating to mail art.
- Mail Artists - Mail art blog by Sharon Zimmer with mail art calls and documentation.
- Mail-Art - A German mail art site with history, techniques and exhibits about the art form. It includes a message board for active projects.
- Mailart in El Taller de Zenón - Mailart site in Sevilla, Spain with galleries of received works, plastic arts and communication about postal art.
- NOTTWO - A site for artists, poets and mail artists with descriptions, active calls and resources for artisans.
- Paper Penguins - A record of the journeys of Dennis penguin and his family around the world.
- Pippoburro's Mail Art Site - A large mail art archive with examples of artwork sent from around the globe which includes web site and contact information.
- Planet Susannia - Mail art and stamp art galleries, links and projects.
- Poet Post - Mail art, artistamps and art trading cards from the 25 Cent Poet.
- Polarbird's Mailart Pages - Galleries, links and mail art calls and documentation including "Flying Penguins."
- PostCards Anonymous - An on-going global art project. Individuals reveal intimate secrets, pose ethical dilemmas, express their dreams or comment on the human condition via postcards.
- Postmark Arts - Fat Red Ant's Mail Art & Artistamp Site - A collection of traditional and digital mail art, artistamps, mail art calls and exchanges with mail artists throughout the world.
- PostSecret - A gallery of postcard-sized images posted anonymously to unveil a secret. Shared confessions in art form.
- Project: Camera Release - A website detailing the ongoing mail art and photography experiment. A camera travels through the world with each participant snapping photos and each installment is then made into a zine.
- Red Castle Inc. - Products and information for rubber stamping and crafting needs. Software programs to help design mini-books, artistamps, envelopes, shipping tags, and calendars.
- Schoko Casana Rosso - The Mail art site of Schoko Casana Rosso of Berlin, Germany. Contains examples of art by the artist and also correspondence received.
- Sewers of the World, Unite - An open photo-video-mail-art collaborative collection of images of manhole and other access covers. Includes a gallery of submissions.
- Shopping Trolley Gallery-West - Mailart, posts of received mailart, listings of mailart calls.
- Shouting At The Postman - The website of a small cultural zine featuring general articles, mail art, and reviews by Ken Miller.
- Sztuka Fabryka Gallery - An archive about arts in the international mail art network. The online version of the Sztuka Fabryka Archive.
- The Anti-Robot Inundation Army (Mail Art Project) - A mail art project blog that has been raging against the robot (and other things) since 2003.
- The Art of Notta Caflisch - The mail art and visual art of Notta Caflisch of Chur, Switzerland. Site includes mail art calls, contact lists and galleries.
- The Compost Mail Art Gallery - A German mail artists group with several postal art exhibits.
- The Envelope Collective - An ongoing collaborative experiment in art that uses the transportation of mail as a medium.
- The Mail Art Pinhole Camera Site - Participative photography project gallery.
- The Miniature Book Library - Catalogue and images from a library of teeny books made by several different mail artists.
- The Moscow International Forum of Art Initiatives - An open invitation for artistamp creators with the theme of Motherland/Fatherland. The City of Moscow's Committee on Culture and The International Museum Exhibition Centre 'Olympus' is sponsoring The Moscow International Forum of Art Initiatives - 2002. MAC (the Moscow Artistamp Collection) has been invited to participate.
- The Poetry Postcard Project - Documentation and images of an unsolicited poetry postcard project.
- The Small Art Project - Art project of small art sent by postal mail.
- Traficoartecorreo - Web site in Argentina with mail art, ATCs and altered books
- Veronica Million - A slide show of cross-stitched envelopes sent through the mail.
- Vortice Argentina - General activities of the project, exhibitions at the Barraca Vorticista, information, artist addresses, international mail art projects and calls, links, and visual poetry.
- Wikipedia Mailart Resource - Online encyclopedia with a mailart description, links and profiles of mailartists.