craig rhughes craigdeersoftcom whitelist rbl ironports bonded sender basically whitelist rbl post bond get list lose bond end spamming ip address something like httpwwwbondedsenderorg c sunday august 25 2002 0758 pm bart schaefer wrote 4 dnsbl certifies ip address using currently used dnsbl allows look ip address blacklisted someone havent seen service provides dns based whitelist theres practical reason dns list white black works limited number ips set unlisted ips much larger set dns list make binary decision accept reject youll wrong less often reject blacklist accept everything else rather accept whitelist reject everything else whitelist helpful want mail limited number known sources b use secondary system like sa decide vast unlisted masses mtas still make binary decision secondary computation expensive sas cooperation though might worth try even better one could get commercial antispam outfits agree factor sfnet email sponsored osdn tired old cell phone get new free httpswwwinphoniccomrasprsourceforge1refcode1vs3390 _______________________________________________ spamassassintalk mailing list spamassassintalklistssourceforgenet httpslistssourceforgenetlistslistinfospamassassintalk mon 26 aug 2002 083319 0700 whitelisting satalk sa news