[Dovecot] Dovecot, pop3, mBox

[Matej Golob]

I have to migrate some old system to new one with installed dovecot (It's my
first time using dovecot). I have all mails inside /var/spool/mail folder
(mbox files). I can connect and receive mails via POP3, but problem is that
dovecot doesn't clear mbox file (everytime when I make send/receive in
mailclient program I get all mails again).

If I look into log file I see (when I do send/receive in mail client
program)
Jan 11 21:09:12 ns1 dovecot: POP3(matej): Disconnected: Logged out top=0/0,
retr=5/23934, del=5/5, size=23848

Here is output of dovecot -n
# 1.1.6: /etc/dovecot.conf
# OS: Linux 2.6.27-desktop-0.rc8.2mnb i686 Mandriva Linux release 2009.0
(Official) for i586
protocols: imap imaps pop3 pop3s
ssl_cert_file: /etc/pki/tls/certs/dovecot.pem
ssl_key_file: /etc/pki/tls/private/dovecot.pem
disable_plaintext_auth: no
login_dir: /var/run/dovecot/login
login_executable(default): /usr/lib/dovecot/imap-login
login_executable(imap): /usr/lib/dovecot/imap-login
login_executable(pop3): /usr/lib/dovecot/pop3-login
mail_location: mbox:~/mail:INBOX=/var/spool/mail/%u
mail_executable(default): /usr/lib/dovecot/imap
mail_executable(imap): /usr/lib/dovecot/imap
mail_executable(pop3): /usr/lib/dovecot/pop3
mail_plugin_dir(default): /usr/lib/dovecot/modules/imap
mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap
mail_plugin_dir(pop3): /usr/lib/dovecot/modules/pop3
pop3_uidl_format(default): %08Xu%08Xv
pop3_uidl_format(imap): %08Xu%08Xv
pop3_uidl_format(pop3): %08Xv%08Xu
auth default:
  passdb:
    driver: pam
  userdb:
    driver: passwd


Thanks for help.

Matej