But they still have an old, outdated sendmail, unprotected by a firewall:

Trying 206.224.94.195 ...
Connected to crack.com.
Escape character is '^]'.
220 crack.crack.com ESMTP Sendmail 8.7.1/8.7.1; Sat, 11 Jan 1997 13:28:02 -0600
quit
221 crack.crack.com closing connection
Connection closed by foreign host.

-- 
   Marc Mosko                   Email: marc@tear.com
                                Web:   http://www.tear.com/

   "If anyone knocks out another's eye, he shall pay him
   sixty-six shillings, six pence, and a third of a penny."
   -- Leges Henrici Primi (13th century)

           PGP Key available via Public Servers and
               http://www.tear.com/pgp-key.html