Spam control should involve banks
Researchers in San Diego, Berkeley and Budapest have analysed the business model of spammers to find potential starting points for combating spam. They examined approximately 1 billion emails that were collected from various sources over three months in late 2010. The emails contained 93 million different URLs which originated from 17 million domains.
You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump