Show an icon for emails without a signature // STATUS_NORES -> Show an icon for emails with a signature but no authentication results header // STATUS_PASS -> Show an icon if all signatures have passed validation // STATUS_PARS -> Show an icon if at least one signature passed validation // STATUS_THIRD -> Show an icon for third party signatures // STATUS_WARN -> Show an icon when the signature temporary failed // STATUS_FAIL -> Show an icon when the signature permanently failed // STATUS_ALL -> Show an icon for all statuses // // statuses should be prefixed by 'authres_status::' // // default value: authres_status::STATUS_ALL & ~authres_status::STATUS_NOSIG // //$config['show_statuses'] = authres_status::STATUS_ALL & ~authres_status::STATUS_NOSIG; //$config['trusted_mtas'] = array('mail.example.com');