Mailing lists are one of the oldest and most popular resources on the Internet. If you have an e-mail address you can participate in mailing lists. There are approximately 100,000 mailing lists on the Internet. Some are private or available to limited groups, but the vast majority can be joined by anyone with a special interest in the list's topic.
Lists are a way of reaching a group of people by e-mail messages.
Your e-mail message goes to a piece of software that in turn sends it on to the group of subscribers. Rootsweb mailing lists are like discussion groups where subscribers share information. You do not need a subject or a signature. You do not need a subject or a signature. Some people prefer this way because it cuts down on the number of messages they get in their inbox.