spamcheck:
  driver = pipe
  command = "/usr/sbin/exim4 -oMr spam-scanned -bS"
  use_bsmtp = true
  transport_filter = "/usr/bin/spamc -u $local_part"
  home_directory = "/tmp"
  current_directory = "/tmp"
  user = Debian-exim
  group = Debian-exim
  log_output = true
  return_fail_output = true
  return_path_add = false
  message_prefix =
  message_suffix =
