Do anything that threatens the integrity of Hosting Mamu's network or the utilization thereof by other persons. a. Denial of Service (DOS attacks -- no customer will commit a DOS attack against any customer's host, or any other host on the Internet. Similarly, no customer will willfully or negligently allow incitement of others to attack any host on our network, or any other host on the Internet. b. RBL -- No customer shall do anything that could get any portion of our IP space put on the RBL (Realtime Black List. as maintained by MAPS (http://www.mail-abuse.com or other similar organizations, or perform activities that would cause portions of the Internet to refuse to route traffic to any portion of our IP space.