It's just an idiot trying to spam.
They are using new E-mail address announcement apps to push their
messages out, and this guy seems to just be pasting all of his content
into the subject. He could be using a program that exploits multiple
sites, and this one may not provide for adding
Try the SUBJECTCHARS test. It will catch spam that has a certain number of characters in the subject. For 60 characters and a weight of 4 the test would be
SUBJECTCHARS subjectchars 60 x 4 0
From:
Just some Advance Fee Fraud (Nigerian) stuff from some guy that either
is new to his software, or just made a mistake. I'm guessing the
latter, and due to a clumsy cut and paste. There is no need to filter
for this specifically since it isn't a purposeful condition, and these
guys don't