Page is a not externally linkable
europeforvisitors - 7:29 pm on Dec 26, 2006 (gmt 0)
mfa.com NOT www.mfa.com That may or may not be your problem, but if it is, the fix is simple: Just strip off everything but the root domain, including the "www."
You might want to check your filter list to make sure that you're filtering at the most basic domain level:
subdomain.mfa.com