exim разные лимиты почтового сообщения

[strace]

message_size_limit = 10M

warn      set acl_m1    = 1M
        deny    message       = Too big size of message. Incoming message size limit = $acl_m1
        senders         = ! /usr/local/etc/exim/big_sender.conf
        recipients      = ! /usr/local/etc/exim/big_sender.conf
        condition     = ${if > {$message_size}{$acl_m1}}

#------------------------------------------------------------------------------------------------------------------------------------
begin authenticators

plain:
  driver = plaintext
  public_name = PLAIN
  server_condition = ${if saslauthd{{$1}{$2}}{1}{0}}
  server_set_id = $2

login:
  driver = plaintext
  public_name = LOGIN
  server_prompts = "Username:: : Password::"
  server_condition = ${if saslauthd{{$1}{$2}{smtp}}{1}{0}}
  server_set_id = $1