smtp_logger 0.1 - written by Nico Schottelius
==============================================

Introduction
------------
smtp_logger is thought to be a helpful tool, to debug smtp sessions.
It is started on a loghost, to which the smtp traffic is redirected.

smtp_logger is free and open source software (FOSS) according to the
GPLv3. The file "COPYING" contains detailled information.

Usage
-----
smtp_logger <logdir> <listen_ip> <listen_port> <connect_ip> <connect_port>


   ------------------
   | SMTP Client(s) |
   ------------------
          |
          | want to connect to smtp-real.example.org
          |
   ------------------
   | Router/firewall|
   ------------------
          |
          | redirects data to loghost
          |
   ------------------
   | loghost        |
   ------------------
          |
          | Saves connection data and forwards them
          |
   ------------------
   | smtp-real      | processes the mail
   ------------------


Saving data
-----------
Logs will be saved to "$logdir/$remote/$time.$pid".


Bugs
----
See BUGS.


Disclaimer
----------

This software contains parts of

   - mini-lpd (network code, Makefile) (GPL)
      http://unix.schottelius.org/mini-lpd/

   - cinit (signal code, child catcher) (GPL)
      http://unix.schottelius.org/cinit/

   - small helper c-library (GPL)
      written by René Nussbaumer and Nico Schottelius
