Virus? (was Re: Notify about your e-mail account utilization.)

[Francisco Reyes]

On Tue, 2 Mar 2004 staff at freebsd.org wrote:

> Hello user of Freebsd.org e-mail server,
>
> We warn you about some attacks on your e-mail  account. Your computer may
> contain viruses, in order to  keep your computer and e-mail account safe,
> please, follow the instructions.
>
> For further  details see the attach.
> Sincerely,
>    The  Freebsd.org team                            http://www.freebsd.org

Is this for real?
Or just a virus masked as a note from the FreeBSD team?