I got the following in my headers.. I'm not sure how this could possibly score so low, with all the hits it received...
X-Spam-Status: No, hits=2.2 required=6.0 tests=BAYES_40,HTML_90_100,
HTML_IMAGE_RATIO_02,HTML_MESSAGE,MIME_HTML_ONLY,OPTO_HEADER,
RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_SBL,SARE_MSGID_EMPTY,URIBL_SBL,
URIBL_WS_SURBL version=3.0.0
X-Spam-Bayes: 0.3934
X-Spam-Pyzor: Reported 0 times.