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Message-Id: <20021004045106.92EA622876@belphegore.hughes-family.org>
Subject: [SAdev] [Bug 1054] New: Split up FROM_ENDS_IN_NUMS
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X-Original-Date: Thu, 3 Oct 2002 21:51:06 -0700 (PDT)
Date: Thu, 3 Oct 2002 21:51:06 -0700 (PDT)
http://www.hughes-family.org/bugzilla/show_bug.cgi?id=1054
Summary: Split up FROM_ENDS_IN_NUMS
Product: Spamassassin
Version: unspecified
Platform: Other
OS/Version: other
Status: NEW
Severity: enhancement
Priority: P2
Component: Rules
AssignedTo: spamassassin-devel@example.sourceforge.net
ReportedBy: matt@nightrealms.com
The current FROM_ENDS_IN_NUMS triggers on any from where the user name ends
in two or more digits. I think this should be split up into different
numbers of trailing digits, so that rules with different S/O ratios can
get different scores. So I've made test rules that look from From
names that end with two, three, four, or five digitis, and one for six or
more digitis; I also put in a test rule that looks for Froms that end in a
single digit, just the sake of completeness.
Here is what I got:
OVERALL% SPAM% NONSPAM% S/O RANK SCORE NAME
15113 4797 10316 0.32 0.00 0.00 (all messages)
100.000 31.741 68.259 0.32 0.00 0.00 (all messages as %)
1.244 3.877 0.019 1.00 0.64 0.01 T_FROM_ENDS_IN_NUMS6
0.576 1.459 0.165 0.90 0.43 0.01 T_FROM_ENDS_IN_NUMS5
4.982 10.694 2.326 0.82 0.38 0.01 T_FROM_ENDS_IN_NUMS4
3.434 6.337 2.084 0.75 0.35 0.01 T_FROM_ENDS_IN_NUMS3
8.979 12.383 7.396 0.63 0.30 0.01 T_FROM_ENDS_IN_NUMS2
8.847 6.817 9.791 0.41 0.22 0.01 T_FROM_ENDS_IN_NUMS1
I should note that I get rather bad S/O's for FROM_ENDS_IN_NUMS, probably
because so much of my corpus is made up of Yahoo! Groups traffic, which
seems to have a lot of users that like sticking numbers at the ends of their
names. Here is the normal stats for FROM_ENDS_IN_NUMS:
7.024 28.480 2.834 0.91 0.50 0.88 FROM_ENDS_IN_NUMS
and my stats:
19.228 34.793 11.991 0.74 0.35 0.88 FROM_ENDS_IN_NUMS
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