The plugin can save DMARC reports in a database, reports can be sent later to external
mail servers.
The main branch is developed on Apache SpamAssassin 4.x src tree and it will be kept in sync here,
the version compatible with Apache SpamAssassin 3.4.x is on the "3.4" branch.
Most updated version will be in Apache SpamAssassin src tree.
See Mail::DMARC::Report for additional documentation about how to configure reporting.