The password for the list. This may already be set - find out from the system administrator if you do not know it. Either subscribe or unsubscribe The name of the list you are going to work on The email address that you are adding or removing from the list. In some cases, a list manager can just directly edit the file that contains the list of email addresses. However , it may be better to use the email method rather than directly editing a list file, because majordomo will send messages to users who are added to lists, giving new subscribers information about the list and how to unsubscribe from it if they so desire.
Lists can be useful to send a message to everyone in a class.