Hi
At the moment we are using the following
Suggestions welcome.

zen.spamhaus.org       deny
cbl.abuseat.org deny
b.barracudacentral.org deny
bl.spamcop.net deny
dnsbl.sorbs.net STAMP
list.dnswl..org       accept 
 
tom cross
m: 0418 295 336
partner HTMLnet.