See also: http://en.wikipedia.org/wiki/UUCP http://en.wikipedia.org/wiki/UUCP I used to run all of my email via UUCP (over tcp mostly, but when I moved across

See also: http://en.wikipedia.org/wiki/UUCP http://en.wikipedia.org/wiki/UUCP I used to run all of my email via UUCP (over tcp mostly, but when I moved across country twelve or so years ago, I switched to dialup). You get file distribution, usenet, routing, email and it's not hard to layer other services on top of it. You can run a mailing list on a loosely connected machine without a TCP/IP stack if you wanted to.