[Bug 6789] New: TVD_FROM_1 scores too highly

[bu...@bugzilla.spamassassin.org]

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6789

             Bug #: 6789
           Summary: TVD_FROM_1 scores too highly
           Product: Spamassassin
           Version: 3.3.1
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Rules
        AssignedTo: dev@spamassassin.apache.org
        ReportedBy: cedric@gn.apc.org
    Classification: Unclassified


This rule has been mentioned on the dev list before by flo@rfc822.org back in
2009
<http://mail-archives.apache.org/mod_mbox/spamassassin-dev/200911.mbox/%3C4B0D5AEE.7070107@redhat.com%3E>,
when it scored a mere 1.0.  In the 3.3.1 update channel active.cf has:

##{ TVD_FROM_1
header TVD_FROM_1       From:addr =~
/[^\@0-9]{2}\d{3}\.(?:com|net|org|info|biz)$/i
##} TVD_FROM_1
score TVD_FROM_1                            2.799 2.799 2.799 2.799

I've noticed it hitting the domain of a concerned user.  Of the top of
my head, I can think of other reputable domains ending in at least 1 or
2 digits, and don't personally see 3 digits as an essentially spammy
characteristic (although many domains ending 360 or 365 are indeed
associated with spam or dirty lists).

Suggested fix: set maximum score and/or rewrite as meta rules

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