[Dovecot] double mail

[Marcin]

Hello,

I installed new mail server postfix + dovecot with beckend in postgresql. But when users not deleted mail from server then received all mails from maildir a few everyday..In dovecot logs I can't see any problem. He use outlook or thunderbird with pop3. What is problem whit this?




dovecot --version
1.0.7


dovecot -n
# 1.0.7: /etc/dovecot.conf
log_path: /var/log/dovecot.log
info_log_path: /var/log/dovecot.info.log
syslog_facility: local0
listen: *
ssl_cert_file: /etc/ssl/certs/dovecot.pem
ssl_key_file: /etc/ssl/private/dovecot.pem
login_dir: /var/run/dovecot/login
login_executable(default): /usr/libexec/dovecot/imap-login
login_executable(imap): /usr/libexec/dovecot/imap-login
login_executable(pop3): /usr/libexec/dovecot/pop3-login
login_processes_count: 20
first_valid_uid: 100
mail_access_groups: mail
mail_location: maildir:/mail/virtual/%n
mail_executable(default): /usr/libexec/dovecot/imap
mail_executable(imap): /usr/libexec/dovecot/imap
mail_executable(pop3): /usr/libexec/dovecot/pop3
mail_plugin_dir(default): /usr/lib64/dovecot/imap
mail_plugin_dir(imap): /usr/lib64/dovecot/imap
mail_plugin_dir(pop3): /usr/lib64/dovecot/pop3
pop3_client_workarounds(default):
pop3_client_workarounds(imap):
pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh
auth default:
   debug: yes
   debug_passwords: yes
   passdb:
     driver: sql
     args: /etc/dovecot-sql.conf
   userdb:
     driver: sql
     args: /etc/dovecot-sql.conf
   socket:
     type: listen
     client:
       path: /var/spool/postfix/private/auth
       mode: 432
       user: postfix
       group: postfix