We run several short URL websites and they get flooded by phishers and spammers. Thanks to URL blacklists they don't get far with it. But those guys are pros. T

We run several short URL websites and they get flooded by phishers and spammers. Thanks to URL blacklists they don't get far with it. But those guys are pros. They don't create accounts or content manually. They have software that's doing that.