Spam detection software, running on the system "arwen.fcen.uba.ar", 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:  Aire Acondicionado 2007 INSTALACIÓN Y REPARACIÓN DE
  AIRE ACONDICIONADO PARA HOGARES Y VEHÍCULOS Son 4 CDs Completos a $49.-
  [...] 

Content analysis details:   (11.5 points, 5.0 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
 1.3 UNRESOLVED_TEMPLATE    Headers contain an unresolved template
 0.4 HTML_30_40             BODY: Message is 30% to 40% HTML
 0.0 HTML_MESSAGE           BODY: HTML included in message
 3.5 BAYES_99               BODY: Bayesian spam probability is 99 to 100%
                            [score: 1.0000]
 0.0 MIME_HTML_ONLY         BODY: Message only has text/html MIME parts
 0.9 FRONTPAGE              RAW: Frontpage used to create the message
 1.6 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in bl.spamcop.net
              [Blocked - see <http://www.spamcop.net/bl.shtml?200.123.191.77>]
 3.9 RCVD_IN_XBL            RBL: Received via a relay in Spamhaus XBL
                            [200.123.191.77 listed in sbl-xbl.spamhaus.org]
 0.0 UPPERCASE_25_50        message body is 25-50% uppercase

The original message was not completely plain text, and may be unsafe to
open with some email clients; in particular, it may contain a virus,
or confirm that your address can receive spam.  If you wish to view
it, it may be safer to save it to a file and open it with an editor.