Dramaticus, I emailed the author. He contacted SURBL. They say that bit.ly is now using the SURBL black list but that they don't prevent shortening of black li

Dramaticus, I emailed the author. He contacted SURBL. They say that bit.ly is now using the SURBL black list but that they don't prevent shortening of black listed URLs; instead, they show the warning that you saw. He's changed his post.