Just got a new WiredTree VPS up and running. Service has been great so far. Make that super!

VPS newbie question: I would like to set a limit on emails for all domains but mine to some number per hour, but I would like mine to be unlimited. I'm not going to be sending a lot, but, when necessary, they will need to go fast. So far, the only way I have figured out how to keep unlimited for me is to not set a throttle at all and allow Mailman only on admin domains. If any user has to have lists, then I can authorize it then and maybe keep tabs on it. It's over-the-top clunky, but, like I said, I'm a VPS newbie.
(There's probably a lot better way to say that, but I'm tired :-) )

Is there, perhaps, another way? All input very much appreciated.

Jere