One of our shared hosting clients had his Wordpress installation compromised, and the attacker installed a PHP shell, then some scripts to send spam. By the time we noticed it, the email queue had grown to 240,000 pending emails queued.
Anyway, while cleaning up the blacklists:
$113 to click a button to remove the entry? Srsly? That's like a 100,000% markup.
Anyone want to become a terrorist organization and extort companies by join me in creating a blacklist that can be used to hold hosts hostage in return for ransom on their IPs for the greater good of the internet??
/rant