[exim] Checking all received IP's in Spamhaus?

Instead of just checking the connecting host - can I check ALL the IPs
in the received headers to see if any of them is listed?

How can I do that?

--
Marc Perkel - marc@???

Spam Filter: http://www.junkemailfilter.com
    My Blog: http://marc.perkel.com
My Religion: http://www.churchofreality.org
~ "If it's real - we believe in it!" ~