They appeared to look at the copyright on the bottom of your message board and automatically assumed that your running a CGI based message system as they strictly name Ultimate Bulletin Board in their Policies.
CGI-based Forums - WebIntellects does not allow customers to install their own CGI-based Forums. YaBB and Ultimate Bulletin Board Forums tend to require significant system resources and therefore cannot be permitted. WebIntellects recommends vBulletin or phpBB.
