passdb {
  driver = ldap
  args = /etc/dovecot/dovecot-ldap.conf.ext
}

passdb {
   driver = lua
   args = file=/etc/dovecot/app-passwords-lookup.lua
}

userdb {
  driver = static
  args = uid=vmail gid=vmail home=/var/lib/vmail/mail/%d/%n
}