A long time ago in a galaxy far, far away, there were no graphical e-mail clients. So what you had to do to get your mail was to connect a server with telnet over the network, or directly over a modem ...

A software routine that deletes incoming spam or diverts it to a "junk" mailbox (see spam folder). Also called "spam blockers," spam filters are built into a user's email program. They are also built ...