Understanding Nothing

Kasia decided to investigate her highest score from Spamassassin.

41.90 points is fairly impressive, but I’ve got 22 mails with higher scores than that in the last month!

My current highest is 56.8:

Content analysis details:   (56.80 points, 5 required)
RCVD_FAKE_HELO_DOTCOM (2.3 points)  Received contains a faked HELO hostname
NO_REAL_NAME       (0.7 points)  From: does not include a real name
SUBJ_HAS_SPACES    (2.0 points)  Subject contains lots of white space
AS_SEEN_ON         (2.1 points)  BODY: As seen on national TV!
ONLY_COST          (0.2 points)  BODY: Only $$$
MLM                (0.8 points)  BODY: Multi Level Marketing mentioned
BANG_GUARANTEE     (0.5 points)  BODY: Something is emphatically guaranteed
EARN_MONEY         (1.2 points)  BODY: Message talks about earning money
EXCUSE_14          (0.1 points)  BODY: Tells you how to stop further spam
JODY               (2.9 points)  BODY: Contains "My wife, Jody" testimonial
OPT_IN             (0.3 points)  BODY: Talks about opting in (lowercase version)
BANG_MONEY         (0.7 points)  BODY: Talks about money with an exclamation!
BULK_EMAIL         (2.1 points)  BODY: Talks about bulk email
ORDER_REPORT       (2.9 points)  BODY: Order a report from someone
SENT_IN_COMPLIANCE (4.3 points)  BODY: Claims compliance with spam regulations
READ_TO_END        (2.9 points)  BODY: You'd better read all of this spam!
FINANCIAL          (4.3 points)  BODY: Financial Freedom
SECTION_301        (3.2 points)  BODY: Claims compliance with spam regulations
INVALUABLE_MARKETING (2.9 points)  BODY: Invaluable marketing information
NOT_INTENDED       (2.9 points)  BODY: Not intended for residents of somewhere or other
RISK_FREE          (1.0 points)  BODY: Risk free.  Suuurreeee....
COPY_ACCURATELY    (2.9 points)  BODY: Common pyramid scheme phrase (1)
INITIAL_INVEST     (2.9 points)  BODY: Requires Initial Investment
SERIOUS_CASH       (2.7 points)  BODY: Serious cash
MSGID_OUTLOOK_TIME (4.4 points)  Message-Id is fake (in Outlook Express format)
SUBJ_HAS_UNIQ_ID   (0.8 points)  Subject contains a unique ID
DATE_IN_FUTURE_12_24 (2.8 points)  Date: is 12 to 24 hours after Received: date
CASHCASHCASH       (0.0 points)  Contains at least 3 dollar signs in a row