There should be a way to, which would be really great to handle things easier, but there isn't, so the smartest thing to do is check who you give it to. If you don't want randomers being jerks just PM the download to friends. If it's a public map you made, there's not way to stop people from doing so because YOU made it public.
You could make a public version and a private version, if you really want both. Other than that there's pretty much nothing you can do but report... If... Possible.