You need a set of written rules so people can't whine about being banned/suspended/muted.
Use of a third party program is strictly prohibited and will result in an irrevocable permanent ban from KO4Life's server.
Racism will result in a 6 hour mute and 12 hours for repeat offences.
Public (shout, say, etc) advertisement of other private servers will result in 24 hour mute
Tradespamming is not tolerated and will result in 2 day suspension
Luring is not tolerated and will result in a 2 day suspension