==== postfix ====


see > http://www.postfix.org

  * reducing backscatter > http://www.postfix.org/BACKSCATTER_README.html
  * postgrey
  * http://www.debian-administration.org/articles/168
  * http://isg.ee.ethz.ch/tools/postgrey/



check auto-whitelisted sites

<code>
# perl /usr/share/doc/postgrey/postgrey_clients_dump
</code>  

reports 

<code>
# cat /var/log/mail.log | postgreyreport --nosingle_line --check_sender=mx,a  --show_tries \ --separate_by_subnet=":=============================================================================================\n")
</code>