крутиться там только почта на cpanel е на 222х порту и на 80 стнадартная заглушка от апача. нечего особо брутить. в почте отсилы 2-3 пользователя
80/tcp open http Apache httpd 2.2.13 ((Unix) mod_ssl/2.2.13 OpenSSL/0.9.7a mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635)
user anonymous
421 Can't change directory to /var/ftp/ [/]
S:220 mail.company.tld ESMTP CommuniGate Pro 5.1.4i is glad to see you!
C:HELO
S:250 domain name should be qualified
C:MAIL FROM: <someusername@somecompany.ru>
S:250 someusername@somecompany.ru sender accepted
C:RCPT TO:<user1@company.tld>
S:250 user1@company.tld ok < - - - - вуаля, валидный логин
C:RCPT TO: <user2@company.tld>
S:550 user2@company.tld unknown user account < - - а этот нет
S: +OK POP3 server ready <1896.697170952@dbc.mtview.ca.us>
C: APOP user 5f4dcc3b5aa765d61d8327deb882cf99
S: +OK user's maildrop has 2 messages (320 octets)
C: USER user
S +OK User accepted
C: PASS password
S +OK Pass accepted
S: * OK IMAP4rev1 Service Ready
C: a001 login user password
S: a001 OK LOGIN completed
S: 220 FTP server ready.
C: USER user
S: 331 User user OK. Password required
C: PASS password
S: 230 Login successful.