As I was concerned about, it seems to really hurt SPAM% for someone out there, Michael Parker in this case, probably due to a trusted networks problem. Even XBL is blown out of the water. I think the change is a good one, but the cost might be too high.
His results: ------- start of cut text -------------- 9.047 18.8956 0.1090 0.994 0.93 1.00 RCVD_IN_XBL 1.285 2.7011 0.0000 1.000 0.69 0.01 T_RCVD_IN_XBL 5.803 12.1729 0.0218 0.998 0.92 2.25 RCVD_IN_BL_SPAMCOP_NET 3.181 6.6867 0.0000 1.000 0.85 0.01 T_RCVD_IN_BL_SPAMCOP_NET 24.817 51.9568 0.1852 0.996 0.94 1.10 RCVD_IN_DSBL 3.667 7.7071 0.0000 1.000 0.87 0.01 T_RCVD_IN_DSBL 2.176 4.5738 0.0000 1.000 0.78 0.00 __T_RCVD_IN_NJABL 15.861 32.4730 0.7845 0.976 0.72 0.00 __RCVD_IN_NJABL 16.095 33.6495 0.1634 0.995 0.93 0.00 __RCVD_IN_SBL_XBL 5.072 10.6603 0.0000 1.000 0.92 0.00 __T_RCVD_IN_SBL_XBL 9.967 20.9004 0.0436 0.998 0.96 1.20 RCVD_IN_NJABL_PROXY 1.382 2.9052 0.0000 1.000 0.70 0.01 T_RCVD_IN_NJABL_PROXY 7.379 15.4742 0.0327 0.998 0.94 1.20 RCVD_IN_SORBS_MISC 1.005 2.1128 0.0000 1.000 0.65 0.01 T_RCVD_IN_SORBS_MISC 6.717 13.8655 0.2288 0.984 0.85 0.10 RCVD_IN_RFCI 0.708 1.4886 0.0000 1.000 0.60 0.01 T_RCVD_IN_RFCI 7.357 15.4022 0.0545 0.996 0.93 2.55 RCVD_IN_SORBS_DUL 3.016 6.3385 0.0000 1.000 0.84 0.01 T_RCVD_IN_SORBS_DUL 6.854 14.3577 0.0436 0.997 0.92 1.20 RCVD_IN_SORBS_HTTP 0.817 1.7167 0.0000 1.000 0.62 0.01 T_RCVD_IN_SORBS_HTTP 6.014 12.6411 0.0000 1.000 0.94 0.00 __T_RCVD_IN_SORBS 32.694 64.2257 4.0750 0.940 0.61 0.00 __RCVD_IN_SORBS 1.034 2.1729 0.0000 1.000 0.66 0.62 RCVD_IN_NJABL_DIALUP 0.514 1.0804 0.0000 1.000 0.57 0.01 T_RCVD_IN_NJABL_DIALUP 2.108 4.4178 0.0109 0.998 0.76 0.53 RCVD_IN_RSL 0.137 0.2881 0.0000 1.000 0.48 0.01 T_RCVD_IN_RSL 1.862 3.8896 0.0218 0.994 0.74 1.20 RCVD_IN_SORBS_SMTP 0.160 0.3361 0.0000 1.000 0.49 0.01 T_RCVD_IN_SORBS_SMTP 7.482 15.6663 0.0545 0.997 0.94 1.27 RCVD_IN_SBL 3.804 7.9952 0.0000 1.000 0.88 0.01 T_RCVD_IN_SBL 0.491 1.0324 0.0000 1.000 0.56 1.62 RCVD_IN_SORBS_SOCKS 0.074 0.1561 0.0000 1.000 0.46 0.01 T_RCVD_IN_SORBS_SOCKS 2.605 5.4622 0.0109 0.998 0.80 0.74 RCVD_IN_NJABL_SPAM 0.268 0.5642 0.0000 1.000 0.51 0.01 T_RCVD_IN_NJABL_SPAM 0.331 0.6963 0.0000 1.000 0.53 2.90 RCVD_IN_SORBS_WEB 0.057 0.1200 0.0000 1.000 0.46 0.01 T_RCVD_IN_SORBS_WEB 0.057 0.1200 0.0000 1.000 0.46 1.41 RCVD_IN_NJABL_RELAY 0.011 0.0240 0.0000 1.000 0.45 0.01 T_RCVD_IN_NJABL_RELAY 0.097 0.2041 0.0000 1.000 0.47 2.70 RCVD_IN_SORBS_ZOMBIE 0.011 0.0240 0.0000 1.000 0.45 0.01 T_RCVD_IN_SORBS_ZOMBIE 0.000 0.0000 0.0000 0.500 0.44 -0.01 T_RCVD_IN_IADB_LIST 0.000 0.0000 0.0000 0.500 0.44 0.10 RCVD_IN_NJABL_MULTI 0.000 0.0000 0.0000 0.500 0.44 0.01 T_RCVD_IN_NJABL_MULTI 0.000 0.0000 0.0000 0.500 0.44 -0.01 T_RCVD_IN_IADB_LIST_T 0.000 0.0000 0.0000 0.500 0.44 0.01 T_RCVD_IN_SORBS_BLOCK 0.000 0.0000 0.0000 0.500 0.44 0.00 RCVD_IN_SORBS_BLOCK 0.000 0.0000 0.0000 0.500 0.44 0.10 RCVD_IN_NJABL_CGI 0.000 0.0000 0.0000 0.500 0.44 0.01 T_RCVD_IN_NJABL_CGI ------- end ---------------------------- -- Daniel Quinlan http://www.pathname.com/~quinlan/
