Paste the following into ExperienceMod/config.yml:
multiplier: 1 # This part disables default mob experience default rewards disabled: true reward type: virtual economy drop: slime ball economy drop worth: 1 virtual scan radius: 20 default channels: [global] # But you can add anything back if you still want, say, # the ender dragon giving experience mobs: items:
You will also have to patch CraftBukkit with this patch to prevent the vanilla experience from spawning.
It's also possible for this to just apply to a single permission group. Use presets, in that case.