Make a base set of rules that facilitates your goal(s) as a group. Enforce them early, enforce them often enough.
Look into how successful bulletin board systems have done things in the past. If I find anything that might be of use to you, I'll update this post or to it create a comment.
Look into how successful bulletin board systems have done things in the past. If I find anything that might be of use to you, I'll update this post or to it create a comment.