Spam detection software, running on the system "mx.iis.sinica.edu.tw", has
identified this incoming email as possible spam.  The original message
has been attached to this so you can view it (if it isn't spam) or label
similar future email.  If you have any questions, see
The administrator of that system for details.

Content preview:  ??????????????????????????????????? SMTP???????????????????????????????????????????3000???????10????????????http://www.sungate.com.tw
   [...] 

Content analysis details:   (7.9 points, 6.9 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
-0.0 SPF_HELO_PASS          SPF: HELO matches SPF record
 0.8 HTML_IMAGE_RATIO_02    BODY: HTML has a low ratio of text to image area
 0.0 HTML_MESSAGE           BODY: HTML included in message
 0.7 MPART_ALT_DIFF         BODY: HTML and text parts are different
 2.7 RCVD_IN_PSBL           RBL: Received via a relay in PSBL
                            [59.124.158.28 listed in psbl.surriel.com]
 1.6 RCVD_IN_BRBL_LASTEXT   RBL: RCVD_IN_BRBL_LASTEXT
                            [59.124.158.28 listed in bb.barracudacentral.org]
 2.0 MIME_HEADER_CTYPE_ONLY 'Content-Type' found without required MIME
                            headers
 0.0 T_REMOTE_IMAGE         Message contains an external image