While it is easy to focus on the messenger being annoying, his message does have a reputable citation(found on his blog): http://web.archive.org/web/2003051221

While it is easy to focus on the messenger being annoying, his message does have a reputable citation(found on his blog): http://web.archive.org/web/20030512215305/http://www.spamhaus.org/rokso/spammers.lasso?-database=spammers.db&-layout=detail&-response=roksodetail.lasso&recno=1145&-clientusername=guest&-clientpassword=guest&-search http://web.archive.org/web/20030512215305/http://www.spamhau... Mind you, innocent or well meaning persons can end up on Spamhaus list, but this does not seem to be the case here. All it means is that Airbnb quite likely knew about the Craigslist spamming done by their affiliates. Legally they seem to be in the clear, but morally is another matter.