StopForumSpam is a free service that records reports of spam on forums, blogs and wikis. The records are then made available to search, view and access in an automated way to block suspected spammers. HostBill plugin enables to check your customers email in StopForumSpam database and verify orders IPs. The orders from TOR-exit nodes are automatically rejected by HostBill. This way you can effortlessly use this source of information to increase your protection against fraudulent orders!