maildir_delivery:
  driver = appendfile
  directory = /home/mail/$domain/$local_part/maildir$acl_m7
  maildir_format

  # size reporting for quotas
  # for quotas
  maildir_tag = ,S=$message_size
  quota_size_regex = S=(\s+)$

  maildir_use_size_file

  quota_warn_threshold = 75%
  quota_warn_message = \
    To: $local_part@$domain\n\
    Subject: Your mailbox is reaching its limit\n\
    \n\
    This message was automaticly created by the mail delivery software.\n\n\
    The size of your mailbox has exceeded the warning threshold that\n\
    has been set by the systems administrator.\n\n\
    Please remove old messages that are not needed.\n
   quota = ${lookup pgsql \
     {SELECT quota FROM email_users WHERE login = '${quote_pgsql:$local_part@$domain}'}}

  user = mail
  group = mail
  delivery_date_add
  envelope_to_add
  return_path_add