would those of you in the know please comment based upon your data re: the below rules and their effectiveness in hitting spam vrs ham and/or false readings in diverse or fairly diverse large scale isp and/or corporate installations please
RCVD_IN_BL_SPAMCOP_NET RCVD_IN_DSBL RCVD_IN_NJABL_CGI RCVD_IN_NJABL_MULTI RCVD_IN_NJABL_PROXY RCVD_IN_NJABL_RELAY RCVD_IN_NJABL_SPAM RCVD_IN_SBL RCVD_IN_SORBS_BLOCK RCVD_IN_SORBS_DUL RCVD_IN_SORBS_HTTP RCVD_IN_SORBS_MISC RCVD_IN_SORBS_SMTP RCVD_IN_SORBS_SOCKS RCVD_IN_SORBS_WEB RCVD_IN_SORBS_ZOMBIE RCVD_IN_XBL RCVD_IN_PBL DNS_FROM_AHBL_RHSBL RCVD_IN_MAPS_RBL RCVD_IN_MAPS_DUL RCVD_IN_MAPS_RSS RCVD_IN_MAPS_NML we are just wondering if we should use them or not, and specifically which ones are the best, if any at all.