119             $this->_set_error("acl_togroup", array($group, $field), 'acl');
127               $this->_set_error("acl_touser", array($userId, $field), 'acl');
130             $this->_set_error("acl_touser", array($userId, $field), 'acl');
170         $this->_set_error("external_email_forbidden", Null, 'acl');
182           $this->_set_error("acl_one", Null, 'acl');
195           $this->_set_error("acl_bcc", Null, 'acl');
352       if(!mail_isvalid($val)) $this->_set_error("valid_".$typ, Null, $typ);
355       $this->_set_error("valid_".$typ, Null, $typ);
375     if(strlen($_POST['content']) < 10) $this->_set_error('content');
376     if(strlen($name) < 2) $this->_set_error('name');
384       if (!$resp->is_valid) $this->_set_error('captcha');
436           $this->_set_error('unknown');
447   protected function _set_error($msgid, $args=Null, $type=Null) {  function in syntax_plugin_groupmail