[iPAQ] problem found in sent message "Returned mail: Data format error"

Attention: ipaq_at_handhelds.org

A problem was found in an Email message you sent.
This Email scanner intercepted it and stopped the entire message
reaching its destination.

The problem was reported to be:

Disallowed double-barrelled attachment filename (file.txt .pif) - potential virus

Please contact your IT support personnel with any queries regarding this
policy.

Your message was sent with the following envelope:

MAIL FROM: ipaq_at_handhelds.org
RCPT TO: schoi3_at_pratt.edu

... and with the following headers:

---
MAILFROM: ipaq_at_handhelds.org
Received: from host-200-75-129-217.cliente-217-net-uno.net (HELO handhelds.org) (200.75.129.217)
  by server50.pratt.edu with SMTP; 11 Sep 2006 20:00:20 -0000
From: ipaq_at_handhelds.org
To: schoi3_at_pratt.edu
Subject: Returned mail: Data format error
Date: Mon, 11 Sep 2006 16:00:18 -0400
MIME-Version: 1.0
Content-Type: multipart/mixed;
	boundary="----=_NextPart_000_0004_B78E59C6.EAE5F991"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2600.0000
X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000
---
The original message is kept in:
  server50.pratt.edu:/usr/local/qmailscan/quarantine/new/server50.pratt.edu115800482051188943
where the System Anti-Virus Administrator can further diagnose it.
The Email scanner reported the following when it scanned that message:
--- 
---perlscanner results ---
problem 'Disallowed double-barrelled attachment filename (file.txt                                                                                                                                                                                                              .pif) - potential virus' found in file /usr/local/qmailscan/tmp/server50.pratt.edu115800482051188943/file.txt                                                                                                                                                                                                              .pif
---