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This set of scripts in Lua implements DMARC policy checking and reporting for the Message Systems MTA products, a popular extendable commercial MTA.

branch: master
README
DMARC-msys
==========

This set of scripts in Lua implements DMARC policy checking and reporting for 
the Message Systems MTA products, a popular extendable commercial MTA.

They need to be added on momentum-receiving version of the product.

DMARC, allows to authenticate a message using DKIM and SPF and project a policy
for the receiving MTA to apply.

This Lua implementation, process receiving emails, identify the author domain 
from the From: header look if the domain has published a DMARC policy and apply 
this policy to the email.

It logs the information using momentum log facilities so that daily reports can 
be sent back to the author domain.

full description of the spec: www.dmarc.org

How to install
==============

This requires momentum-receiving from Message Systems.

Follow instructions in the comments at the beginning of the lua script.

Download the Public Suffix list from http://publicsuffix.org/ and convert it
to punycode using psl2pc.py and place it in:
/opt/msys/ecelerity/etc/conf/default/lua/pslpuny.txt
or update the loadpsl() function

Install dmarc_report.py on the manager with a daily cron job to process
dmarc logs and send aggregate reports
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