Spam detection software, running on the system "server1.open.com.au", 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 block
similar future email.  If you have any questions, see
postmaster@open.com.au for details.

Content preview:  9u049u89gh89fsdpokofkdpbm3ß4i [skipped
  application/octet-stream attachment] [...] 

Content analysis details:   (6.3 points, 5.0 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
 0.3 NO_REAL_NAME           From: does not include a real name
 2.7 SUBJ_ILLEGAL_CHARS     Subject contains too many raw illegal characters
 1.2 DATE_IN_PAST_96_XX     Date: is 96 hours or more before Received: date
 1.2 MISSING_MIMEOLE        Message has X-MSMail-Priority, but no X-MimeOLE
 0.2 MIME_BOUND_NEXTPART    Spam tool pattern in MIME boundary
 0.8 PRIORITY_NO_NAME       Message has priority setting, but no X-Mailer

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.