Viagra spam not caught

[Daniele Paoni]

Hello, I'm getting a lot of viagra emails that are not tagged by 
spamassassin

I'm using SA version 3.3.2
This is the original message http://pastebin.ca/2794087

This is the result of spamassassin

X-Spam-Flag: NO
X-Spam-Score: 0.239
X-Spam-Level:
X-Spam-Status: No, score=0.239 tagged_above=-1000 required=5
        tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001,
        HTML_OBFUSCATE_10_20=0.093, LONGWORDS=2.035,
        RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_REMOTE_IMAGE=0.01]
        autolearn=no