Undelivered Mail Returned to Sender

This is the Postfix program at host mail.bdcom.net.

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 Postfix program

<rmeyer_at_kashrus.org>: host pop.kashrus.org[202.172.244.220] said: 554 Your
    email was rejected because it contains the Worm.Mydoom.M virus (in reply to
    end of DATA command)

attached mail follows:

Dear user of kashrus.org,

We have received reports that your email account was used to send a large amount of junk email during the last week.
Probably, your computer had been infected and now contains a trojan proxy server.

We recommend that you follow the instruction in order to keep your computer safe.

Best regards,
The kashrus.org team.