Email account utilization warning.

[lee slaughter]

staff at FreeBSD.org wrote:

>Dear user of "FreeBSD.org" mailing  system,
>
>Our main mailing server will be temporary unavaible for next two days, 
>to  continue  receiving mail  in these days  you have to configure our  free
>auto-forwarding  service.
>
>For more information see the attached file.
>
attachment is .pif
"file" thinks it's DOS exe.
man -k can't find it.
what is it?
gracias..........
a newbie