- Majordomo From the Majordomo FAQ maintained by David Barr: majordomo - n: a person who speaks, makes arrangements, or takes charge for another. From latin major domus - master of the house . Majordomo is a program which automates the management of Internet mailing lists. Commands are sent to Majordomo via electronic mail to handle all aspects of list maintenance. Once a list is set up, virtually ...www.greatcircle.com/majordomo