I received an e-mail about me sending viruses,its content i can not understant?

Dear Sirs,

I have an e-mail 2 days ago with the

following content and i would like to

know how should i handdle with it.

Thank you in advanced!

The content:

"Attention: roubs_pav@yahoo.gr

A Disallowed attachment type was found

in an Email message you sent.

This Email scanner intercepted it and

stopped the entire message

reaching its destination.

The Disallowed attachment type was

"reported to be: "

Executable attachment not allowed

Please contact your I.T support

personnel with any queries regarding

this

policy.

Your message was sent with the

following envelope:

"MAIL FROM: roubs_pav@yahoo.gr"

"RCPT TO: "

1083450526.37e6de@defendem.com

... and with the following headers:

---

"MAILFROM: roubs_pav@yahoo.gr"

"Received: from unknown (HELO "

defendem.com) (212.70.208.139)

by 216.171.242.25 with SMTP; 2 Dec

2006 17:30:51 -0000

"From: roubs_pav@yahoo.gr"

"To: 1083450526.37e6de@defendem.com"

"Subject: Re: Re: patched"

"Date: Sat, 2 Dec 2006 19:27:39 +0200"

"MIME-Version: 1.0"

"Content-Type: multipart/mixed;"

boundary="----

=_NextPart_000_0016----

=_NextPart_000_0016"

"X-Priority: 3"

"X-MSMail-Priority: Normal"(the sender "

"was: "System Anti-Virus Administrator")"

While Viewing: http://privacy.yahoo.com/privacy/us/

Yahoo ID: roubs_pav : no amt link

Browser: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET

CLR 2.0.50727)

REMOTE_ADDR: 212.70.207.210

REMOTE_HOST: unknown

Date Originated: Monday December 4, 2006 - 06:10:52