dovecot 설치를 했는데 잘 안되고 있습니다.

[root@b250 log]# telnet localhost 110
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
+OK Dovecot ready.
user zou
+OK
pass ****
Connection closed by foreign host.

이상태이고  로그를 보면 cat /var/log/maillog

Mar 16 19:39:23 b250 dovecot: master: Warning: Killed with signal 15 (by pid=11642 uid=0 code=kill)
Mar 16 19:39:24 b250 dovecot: master: Dovecot v2.0.9 starting up (core dumps disabled)
Mar 16 19:39:24 b250 dovecot: config: Warning: NOTE: You can get a new clean config file with: doveconf -n > dovecot-new.conf
Mar 16 19:39:24 b250 dovecot: config: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:86: login_executable has been replaced by service { executable }
Mar 16 19:40:09 b250 dovecot: master: Warning: Killed with signal 15 (by pid=11665 uid=0 code=kill)
Mar 16 19:40:10 b250 dovecot: master: Dovecot v2.0.9 starting up (core dumps disabled)
Mar 16 19:40:33 b250 dovecot: pop3-login: Login: user=<zou>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=11686, secured
Mar 16 19:40:33 b250 dovecot: pop3(zou): Error: user zou: Initialization failed: mail_location not set and autodetection failed: Mail storage autodetection failed with home=/home/zou
Mar 16 19:40:33 b250 dovecot: pop3(zou): Error: Invalid user settings. Refer to server log for more information.

이상태 입니다 좀 알려주세요^^

sendmail 잘되는데요.. ㅋ