You don't have to do it so simply as X posts/day. You can give some kind of 'influence points' per account or whatever that get automatically spread between pos

You don't have to do it so simply as X posts/day. You can give some kind of 'influence points' per account or whatever that get automatically spread between posts. Tune it so at X/day each post is neutral, while more frequent become penalized and less frequent get a boost. There are probably better ways to do it, but this should get the idea across.