* Spam: Unsolicited email sent to many people simultaneously, usually commercial, but also "occupational" (emails from colleagues).
* Bounce: A message that was returned to the sender, either because the email address was incorrect or because there was a configuration problem on the receiver's end.
* Distribution list: A single email address that resends to many others, allowing a discussion to continue easily among a quasi-stable group of participants.
* Bot: A piece of software that acts on behalf of a remote human (from roBOT).
* Mailbot: A piece of software that automatically replies to email.
* Listbot: A piece of software that manages distribution lists. Also called a listserver or majordomo.
* Flame: An electronic message that is particularly hostile...
* Lurk: To read messages anonymously, without posting.
* Ping: Test to see if the other person is there, or awake, or available...