Low-scoring discount ED spam

[Kenneth Porter]

I've been getting regular spam that advertises a percentage discount for ED 
in the subject line, and names the ED in the From line. It consistently 
fails to breach the 5.0 score line and keeps showing up in my regular 
Inbox.  I think I have the latest code and rules. Am I suffering from the 
current blockage of the sa-update sources?

Here's a sample, in Dovecot mbox format:
<http://sewingwitch.com/ken/Stuff/foo.txt>