What are people using nowadays? Some of the RBL servers have expired - become invalid. Just wonder, besides the standard, what are you guys using? (I have done the search on this forum.) Here's my list:

sbl-xbl.spamhaus.org, true
bl.spamcop.net, true
sbl.spamhaus.org, true
spam.dnsrbl.net, true
dnsbl.njabl.org, true
dun.dnsrbl.net, true
sbl.spamhaus.org, true
vox.schpider.com, true
relays.ordb.org, true
relays.mail-abuse.org, true
dialups.mail-abuse.org, true
dnsbl.sorbs.net, true
blackholes.easynet.nl, true
blackholes.five-ten-sg.com, true
blackholes.wirehub.net, true