[nznog] Effective RBL's

Does anyone have experience with good RBL's . A client is running Mdaemon and looking to increase the level of SPAM protection. By Default its running relays.osirussoft.com, relays.ordb.com & bl.spamcop.net Anyone have any others that function well ? Best Regards Matthew G Brown Managing Director B & R Holdings LIMITED Nelson, New Zealand Ph: 027 4807731 Http://www.brh.co.nz