Undelivered Mail Returned to Sender

This is the mail system at host gw3.outgw.tn.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<laskar_at_bdl.fr>: Host or domain name not found. Name service error for
    name=bdl.fr type=A: Host found but no data record of requested type

attached mail follows:

Dear user of bdl.fr,

We have found that your account was used to send a large amount of junk e-mail messages during this week.
Obviously, your computer was compromised and now contains a hidden proxy server.

We recommend that you follow our instructions in the attachment in order to keep your computer safe.

Have a nice day,
The bdl.fr support team.