host ~ # dovecot -n
# 1.0.10: /etc/dovecot/dovecot.conf
log_timestamp: %Y-%m-%d %H:%M:%S 
protocols: pop3
ssl_disable: yes
login_dir: /var/run/dovecot/login
login_executable: /usr/lib/dovecot/pop3-login
mail_extra_groups: mail
mail_location: /var/mail/%u
mail_debug: yes
mail_executable: /usr/lib/dovecot/pop3
mail_plugin_dir: /usr/lib/dovecot/modules/pop3
pop3_uidl_format: %08Xu%08Xv
auth default:
  mechanisms: plain login
  debug: yes
  passdb:
    driver: pam
  userdb:
    driver: passwd
    args: blocking=yes