add vhostalias usage check

Sergio Cambra

2014-08-13 ef036da6ec567ead1464d1affc5cebe01864b32d

 server/plugins-available/mail_plugin_dkim.inc.php

@@ -123,9 +123,15 @@

            if (!is_dir($mail_config['dkim_path'])) {
                $app->log('DKIM Path '.$mail_config['dkim_path'].' not found - (re)created.', LOGLEVEL_DEBUG);
            $amavis_user=exec('grep -o "^amavis:\|^vscan:" /etc/passwd');
            if($app->system->is_user('amavis')) { 
               $amavis_user='amavis'; 
            } elseif ($app->system->is_user('vscan')) { 
               $amavis_user='vscan'; 
            }
            else { 
               $amavis_user=''; 
            }
            if(!empty($amavis_user)) {
               $amavis_user=rtrim($amavis_user, ":");
               mkdir($mail_config['dkim_path'], 0750, true);
               exec('chown '.$amavis_user.' /var/lib/amavis/dkim');
               unset($amavis_user);