As of now, Obby-Craft is whitelisted only. Due to the lagg of player interest, the large amount of maintenace it took, I romoved most of the plugins my servers were running on.
So all protection plugins, etc are gone. Without these protection plugins the chance of players griefing each other is growning. Because playing minecraft, for me, is still a form of relaxation, I chose to make my server whitelisted and only to accept my former Legitplay buddies.
Because most of us knew each other well enough I can assume that griefing between each other is out of the question. With a small group of friends, all kind of plugins (teleporting etc) to get through the world wont be necessary either. Without all that ...