android imap клиент множит директории

base_dir = /var/run/dovecot
protocols = imaps
listen = *, [::]
first_valid_uid = 1
first_valid_gid = 1
log_path = /var/log/dovecot/error.log
info_log_path = /var/log/dovecot/info.log
log_timestamp = "%Y-%m-%d %H:%M:%S "
syslog_facility = mail
ssl = yes
ssl_cert_file = /etc/ssl/domain.ru/startssl/mail.domain.ru.crt
ssl_key_file = /etc/ssl/domain.ru/startssl/mail.domain.ru.key
ssl_ca_file = /etc/ssl/domain.ru/startssl/ca.pem
verbose_ssl = yes
login_dir = /var/run/dovecot/login
login_chroot = yes
login_user = vmail
mail_location = maildir:/var/spool/mail/%d/%n
namespace private {
   inbox = yes
}
namespace shared {
}
mail_uid = mail
mail_gid = mail
mail_privileged_group = mail
mail_access_groups = mail
mail_debug = yes
protocol imap {
  login_executable = /usr/lib/dovecot/imap-login
  ssl_listen = *, [::]:993
}
  
pop3_uidl_format = %08Xu%08Xv
protocol managesieve {
}
protocol lda {
  postmaster_address = root@domain.ru
  hostname = mail.domain.ru
  rejection_subject = Rejected: %s
  rejection_reason = Your message to <%t> was automatically rejected:%n%r
  auth_socket_path = /var/run/dovecot/auth-master
}
auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@
auth_verbose = yes
auth_debug = yes
auth default {
  mechanisms = plain
  passdb sql {
    args = /etc/dovecot/dovecot-sql.conf
  }
  userdb sql {
    args = /etc/dovecot/dovecot-sql.conf
  }
  user = mail
  socket listen {
    master {
      path = /var/run/dovecot/auth-master
      mode = 0777
      user = mail
      group = mail
    }
    client {
      path = /var/run/dovecot/auth-client
      mode = 0777
    }
  }
}