protected function getBulkMailFromOptions()
    {
        $results['O'] = $this->_('Use organizational from address');

        if (isset($project->email['site']) && $project->email['site']) {
            $results['S'] = sprintf($this->_('Use site %s address'), $project->email['site']);
        }

        $results['U'] = $this->_("Use the 'By staff member' address");
        $results['F'] = $this->_('Other');

        return $results;
    }