OpenDMARC is a free open source software implementation of the DMARC
specification.

Enable MySQL support: WITH_MYSQL=yes ./opendmarc.SlackBuild

Optional dependency (will be autodetected): libspf2

You must have a opendmarc user to run this script:

  # groupadd -g 362 opendmarc
  # useradd -u 362 -d /var/run/opendmarc -s /bin/false -g opendmarc opendmarc

And if you have postfix installed, add it to the group:

  # usermod -a -G opendmarc postfix

More information post-install can be found in README.SLACKWARE