It turns out you can't report spam to spamhaus, but they do provide info on where you can: http://www.spamhaus.org/faq/answers.lasso?section=Generic%20Question

It turns out you can't report spam to spamhaus, but they do provide info on where you can: http://www.spamhaus.org/faq/answers.lasso?section=Generic%20Questions#103 http://www.spamhaus.org/faq/answers.lasso?section=Generic%20...