외부 로그인 문제 답변좀

로컬에서 외부로 메일 보내기는 잘됩니다
외부에서 메일도 잘 받아지구요
근데 아웃룩 설정을하려고 하면
로그인이 안됩니다. 부탁 드립니다. 아래는 maillog 입니다.

방화벽은 /etc/rc.d/init.d/iptables stop 해봤구요 iptables -F 도 하고 해봐도 마찬가지 입니다.

Mar  6 02:58:43 ns pop3(help): mbox: Can't create root IMAP folder /home/help/mail: Permission denied
Mar  6 02:58:43 ns pop3(help): MAIL environment missing and autodetection failed (home /home/help)
Mar  6 02:58:43 ns pop3-login: Login: help [210.91.196.195]
Mar  6 02:58:43 ns dovecot: child 20011 (pop3) returned error 89
Mar  6 03:00:40 ns pop3(help): mbox: Can't create root IMAP folder /home/help/mail: Permission denied
Mar  6 03:00:40 ns pop3(help): MAIL environment missing and autodetection failed (home /home/help)
Mar  6 03:00:40 ns pop3-login: Login: help [210.91.196.195]
Mar  6 03:00:40 ns dovecot: child 20031 (pop3) returned error 89
Mar  6 03:00:41 ns pop3-login: Login: help [210.91.196.195]
Mar  6 03:00:41 ns pop3(help): mbox: Can't create root IMAP folder /home/help/mail: Permission denied
Mar  6 03:00:41 ns pop3(help): MAIL environment missing and autodetection failed (home /home/help)
Mar  6 03:00:41 ns dovecot: child 20033 (pop3) returned error 89