Hello,
u can create your own URIBL, using for example bind or simpledns or msdns
is easy ;-)
so, u can use your own URIBL on SM spam filter
and all domains and urls u can add/remove on your URIBL by scripting (php, .net , any )
[]'s Rodrigo Araujo
www.itmnetworks.com.br
Best Regards,
[]´s Rodrigo Araujo
www.ITMNETWORKS.com.br