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Posted to dev@spamassassin.apache.org by bu...@bugzilla.spamassassin.org on 2006/10/12 14:29:26 UTC
[Bug 4200] Suggestion: Domain Age as a criteria
http://issues.apache.org/SpamAssassin/show_bug.cgi?id=4200
------- Additional Comments From jm@jmason.org 2006-10-12 05:29 -------
Dallas, any chance you can make that domain live? it might be worth
playing around with. ;)
regarding the DOB stuff, I've had those rules checked into my sandbox. here's
what they scored last weekend:
0.00000 1.3603 3559 of 261633 messages 0.0429 27 of 62951 messages
0.969 0.79 0.00 T_URIBL_RHS_DOB
0.00000 0.0684 179 of 261633 messages 0.0000 0 messages 1.000 0.54 0.00
T_RCVD_IN_DOB
0.00000 0.0684 179 of 261633 messages 0.0000 0 messages 1.000 0.54 0.00
T_DNS_FROM_DOB
interestingly, there's 100% overlap between T_RCVD_IN_DOB and T_DNS_FROM_DOB. a
good quantity of the spam it hits is below 5 points:
scoremap spam: 0 8.38% 15 ***
scoremap spam: 1 10.61% 19 ****
scoremap spam: 2 8.94% 16 ***
scoremap spam: 3 10.61% 19 ****
scoremap spam: 4 4.47% 8 *
scoremap spam: 5 8.38% 15 ***
Still, those are very low hit-rates, given the overhead of the DNSBL lookups
required :(
more at:
http://ruleqa.spamassassin.org/20061007-r453869-n/T_RCVD_IN_DOB/detail?s_defcorpus=on&s_zero=on&srcpath=sandbox%2Fjm
something iffy with the logic of that test btw. one mail it FP'd on had a
listing of this domain:
domain: THEORETIC.COM
owner-name: Theoretic Internet Services
owner-address: 3101 Elwood Trail
owner-address: 32309
owner-address: Tallahassee
owner-address: Florida
owner-address: United States of America
admin-c: AT120-GANDI
tech-c: AT120-GANDI
bill-c: AT120-GANDI
nserver: a.highspeedrails.com 66.249.27.62
nserver: b.highspeedrails.com 205.234.216.227
reg_created: 1998-09-29 00:00:00
expires: 2009-09-28 04:00:00
created: 2000-12-18 15:29:22
changed: 2006-10-05 00:26:44
the mail was from 2006-07-07...
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