Spam question

[Malcolm McCallum]

There is a small but interesting 'good' part of spam as it shows you 
how the system works. However I cannot see how the following piece got 
to me. I have removed the .exe part :-). From: net system 
<[EMAIL PROTECTED]>


Date: Mon Oct 6, 2003  6:33:12  AM Australia/Perth
To: Internet Client <[EMAIL PROTECTED]>
Subject: message user unknown
Attachments: There is 1 attachment

How does 'To: Internet Client <[EMAIL PROTECTED]>' get to me and what 
is home server .com
  Mac