Hear is the typical hits I get on a message:
X-Spam-Status: No, score=3.4 required=5.0 tests=BODY_8BITS,HTML_MESSAGE,
MIME_HTML_ONLY,RCVD_IN_BRBL_LASTEXT,RP_MATCHES_RCVD,SPF_PASS
autolearn=no
version=3.3.1
...
X-Spam-Status: No, score=4.6 required=5.0 tests=BODY_8BITS,HTML_MESSAGE,
MIME_HTML_ONLY,RP_MATCHES_RCVD,SPF_PASS,UNWANTED_LANGUAGE_BODY
autolearn=no
version=3.3.1
Bayes is missing from both of these. Are you not using bayes?
Post a sample to pastebin.com then follow up here with a link so we can
investigate.
Regards,
Dave