Anti-Spam/Leeching Suggestions

Quote:Prevent users from copy+pasting the same thing into multiple posts within a relative period of time.

That might eat resources over time, tho I was thinking about the same thing. The only problem I see is false-positives.

Quote:Prevent users from posting content that only contains quotes.

Well, that's the way it's supposed to be. But leechers aren't as dumb as you might think (unfortunately). They just start spamming random characters. How would you want to make cuddles recognize this?

Edit:
Your others ideas will not just stop leechers but also stop regulars from posting imho