This assumes you are already using SpamAssassin. If not, install and configure SpamAssassin and get it working normally, then return here to add Konfidi trust values to its spam scoring.
- Mail::SpamAssassin::Plugin::OpenPGP is the only authentication module currently supported by the Konfidi plugin. Install and configure it, by following the instructions in its documentation page.
- Install and configure Mail::SpamAssassin::Plugin::Konfidi. It should also install the Konfidi::Client module
If you have any trouble, don't hesistate to join the mailing list and ask for help.