We (dnsbl.tqmcube.com) have been adding mirrors. Data is made available without charge and we are getting some very good results: http://www.sdsc.edu/~jeff/spam/cbc.html
How can we be included as a standard test? The zone list is here: http://tqmcube.com/mserver.php -- Our DNSRBL - Eliminate Spam at the Source: http://www.TQMcube.com Don't Subsidize Criminals: http://boulderpledge.org
