Service ssh runs.
When putty connected with this box, prompt asked id and password.
Also I can get putty's security alert for remote server's rsa2 key fingerprint.
I've got ssh debugging reslt as follows;
[root:localhost:/_hanwork]# ssh -vvv email@example.com
OpenSSH_4.3p2, OpenSSL 0.9.8b 04 May 2006
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to test.org [258.xxx.xxx.xxx] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /root/.ssh/identity type -1
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: loaded 3 keys
ssh_exchange_identification: Connection closed by remote host