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Posted to dev@spamassassin.apache.org by bu...@bugzilla.spamassassin.org on 2008/02/12 23:47:02 UTC
[Bug 5768] DNS_FROM_DOB, massive TCP resets, timeouts
http://issues.apache.org/SpamAssassin/show_bug.cgi?id=5768
------- Additional Comments From jm@jmason.org 2008-02-12 14:47 -------
(In reply to comment #9)
> For testing DOB please understand the following...the hit rates will change
depending on the day. The
> DOB lists domains that are less than 6 days old on com/net/biz/org/info/us
>
> If you test it with URIs in the spam that are using domains/ip that are
related to domains < 6 days
> old you will have a completely different hit rate than testing against domains
that are > than 5
> days old.
If I look over the messages in my spam box for the past 2 weeks (from 20080201
to today), and checking the rules they hit when they arrived, I get 39 hits on
my spam for RCVD_IN_DOB, out of 48198 messages! that's a 0.08% hitrate, which
correlates with comment #4. so that rule is not much use.
The same is true for DNS_FROM_DOB; 39 hits, and I suspect they're the same
messages (although didn't bother checking).
however: URIBL_RHS_DOB hits 13936 out of 48198. that's pretty good, 28%.
I've just noticed -- it was not set with #reuse. THis is now fixed, so the
accuracy rates in ruleqa.spamassassin.org should start working for that rule:
: jm 180...; svn commit -m "oops. URIBL_RHS_DOB and URIBL_RHS_AHBL need #reuse
so that their accuracy is measured correctly" rulesrc/sandbox/
Sending rulesrc/sandbox/jm/20_dob.cf
Sending rulesrc/sandbox/jm/22_bug_5667.cf
Transmitting file data ..
Committed revision 627159.
I've removed the other rules from trunk, since they aren't hitting enough to be
worthwhile:
: jm 194...; svn commit -m "bug 5768: actually, remove DNS_FROM_DOB, RCVD_IN_DOB
and __RCVD_IN_DOB entirely, due to low hitrates" rulesrc/sandbox/jm/
Sending rulesrc/sandbox/jm/20_dob.cf
Transmitting file data .
Committed revision 627162.
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