# /etc/dovecot/dovecot.conf
log_timestamp: %Y-%m-%d %H:%M:%S 
protocols: imaps
ssl_listen: 208.xxx.xxx.xxx
login_dir: /var/run/dovecot/login
login_executable: /usr/lib/dovecot/imap-login
mail_extra_groups: mail
mail_debug: yes
auth default:
  passdb:
    driver: pam
  passdb:
    driver: sql
    args: /etc/dovecot/dovecot-sql.conf
  userdb:
    driver: passwd
  userdb:
    driver: static
    args: uid=5000 gid=5000 home=/home/vmail/%d/%n allow_all_users=yes
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
    master:
      path: /var/run/dovecot/auth-master
      mode: 384
      user: vmail


------------------

root     12495  4.8  0.2   7116   676 ?        Ss   08:54  34:05 /usr/sbin/dovecot
root     12496  9.1  1.1  39420  3088 ?        S    08:54  63:55 dovecot-auth
root     12894  5.1  1.1  37292  3136 ?        S    17:37   9:14 dovecot-auth -w
dovecot  13177  6.0  0.6   8764  1752 ?        S    20:29   0:26 imap-login
dovecot  13195  5.7  0.7   8924  1956 ?        S    20:34   0:07 imap-login
dovecot  13197  6.5  0.6   8768  1756 ?        S    20:35   0:05 imap-login
dovecot  13236  2.9  0.6   8768  1756 ?        S    20:36   0:00 imap-login