Spam detection software, running on the system "iismx.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:  歡迎進入網站 請按此取消訂閱 歡迎訂閱電子�
   � 歡迎轉寄此廣告信 [...] 

Content analysis details:   (7.4 points, 6.9 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
 1.6 RCVD_IN_BRBL_LASTEXT   RBL: RCVD_IN_BRBL_LASTEXT
                            [209.51.217.225 listed in bb.barracudacentral.org]
-0.0 SPF_PASS               SPF: sender matches SPF record
 2.5 DATE_IN_FUTURE_12_24   Date: is 12 to 24 hours after Received: date
 0.7 HTML_IMAGE_ONLY_20     BODY: HTML: images with 1600-2000 bytes of words
 0.6 HTML_IMAGE_RATIO_04    BODY: HTML has a low ratio of text to image area
 0.0 HTML_MESSAGE           BODY: HTML included in message
 1.1 MIME_HTML_ONLY         BODY: Message only has text/html MIME parts
-0.1 DKIM_VALID_AU          Message has a valid DKIM or DK signature from author's
                            domain
-0.1 DKIM_VALID             Message has at least one valid DKIM or DK signature
 0.1 DKIM_SIGNED            Message has a DKIM or DK signature, not necessarily valid
 0.6 HTML_MIME_NO_HTML_TAG  HTML-only message, but there is no HTML tag
 0.3 HTML_SHORT_LINK_IMG_3  HTML is very short with a linked image
 0.0 MSGID_FROM_MTA_HEADER  Message-Id was added by a relay
 0.0 T_REMOTE_IMAGE         Message contains an external image