https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6580
Bug #: 6580
Summary: several FP-prone rules are scored too high
Product: Spamassassin
Version: 3.3.1
Platform: PC
OS/Version: Windows 7
Status: NEW
Severity: normal
Priority: P2
Component: Rules
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Several default SA rules that are likely to FP are scored too high.
Unfortunately, I don't have enough time to find specific examples of e-mails
for each one. I have copied the contents of the rules-override file I use on
our servers. The comments should hopefully give some idea as to where FPs
occur.
# Many mailings discuss how to be removed
# 3.0 is too much for a system with 5.0 spam score
# Bump down to 0.001 for now
score EXCUSE_REMOVE 0.001
# Hits upon e-mails from Windows Live notification
# score to 0.001 for now
score RCVD_ILLEGAL_IP 0.001
# Many valid e-mails come from an offers@ address
# score it 0.001 for now
score FROM_OFFERS 0.001
# Alot of people forward messages from their cell phones, with no Subject
# score it 0.001 for now
score MISSING_SUBJECT 0.001
# Hits upon legit mail with caps subjects
# Reduce to 0.001
score SUBJ_ALL_CAPS 0.001
# Hits on valid senders too hard
score TO_NO_BRKTS_DIRECT 0.001
# Hits on e-mail TO [email protected] FROM
[email protected] THAT is HTML-only
# This causes lots of FPs
score TO_EQ_FM_DOM_HTML_ONLY 0.001
# Only legit mail seems to set this off
# Spammers are not foolish enough to use a freemail
# Reply To: that differs from the From:
score FREEMAIL_FORGED_REPLYTO 0.001
Regards,
Lawrence
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