That's what I thought at first, but then it was so weird, because none of the words in the message itself made any sense, towhit:

Subject: Returned mail: see transcript for details

The original message was received at Wed, 28 Jan 2009 11:14:20 +1000
from ppp-124-120-36-99.revip2.asianet.co.th [124.120.36.99]

----- The following addresses had permanent fatal errors -----
<caprius@myall.net>
(reason: 550 5.1.1 <caprius@myall.net>: Recipient address rejected: User unknown in local recipient table)

----- Transcript of session follows -----
... while talking to kurrajong.myall.net.:
>>> DATA
<<< 550 5.1.1 <caprius@myall.net>: Recipient address rejected: User unknown in local recipient table
550 5.1.1 <caprius@myall.net>... User unknown
<<< 554 5.5.1 Error: no valid recipients


Final-Recipient: RFC822; caprius@myall.net
Action: failed
Status: 5.1.1
Remote-MTA: DNS; kurrajong.myall.net
Diagnostic-Code: SMTP; 550 5.1.1 <caprius@myall.net>: Recipient address rejected: User unknown in local recipient table
Last-Attempt-Date: Wed, 28 Jan 2009 11:14:21 +1000


Return-Path: <capriuni@aol.com>
Received: from BOONG (ppp-124-120-36-99.revip2.asianet.co.th [124.120.36.99])
by wilga.myall.net (8.14.0/8.14.0) with SMTP id n0S1EJSl023054
for <caprius@myall.net>; Wed, 28 Jan 2009 11:14:20 +1000
Date: Wed, 28 Jan 2009 11:14:19 +1000
Message-Id: <200901280114.n0S1EJSl023054@wilga.myall.net>
Content-Return: allowed
X-Mailer: devMail.Net (3.0.1854.22234-2)
To: caprius@myall.net
Subject: RE: Canadian Pharmacy Message 77153
From: caprius@myall.net
MIME-Version: 1.0
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: 7bit

I mean: Whut?

There isn't even a message in that message?!?!!