/** 
  * Function to process the form 
  * 
  * @access public 
  * @return None 
  */
 function postProcess()
 {
     if ($this->_action & CRM_Core_Action::DELETE) {
         CRM_Core_BAO_MailSettings::deleteMailSettings($this->_id);
         CRM_Core_Session::setStatus(ts('Selected Mail Setting has been deleted.'));
         return;
     }
     //get the submitted form values.
     $formValues = $this->controller->exportValues($this->_name);
     //form fields.
     $fields = array('name', 'domain', 'localpart', 'server', 'return_path', 'protocol', 'port', 'username', 'password', 'source', 'is_ssl', 'is_default');
     $params = array();
     foreach ($fields as $f) {
         if (in_array($f, array('is_default', 'is_ssl'))) {
             $params[$f] = CRM_Utils_Array::value($f, $formValues, false);
         } else {
             $params[$f] = CRM_Utils_Array::value($f, $formValues);
         }
     }
     $params['domain_id'] = CRM_Core_Config::domainID();
     // assign id only in update mode
     $status = ts('Your New  Email Settings have been saved.');
     if ($this->_action & CRM_Core_Action::UPDATE) {
         $params['id'] = $this->_id;
         $status = ts('Your Email Settings have been updated.');
     }
     $mailSettings = CRM_Core_BAO_MailSettings::create($params);
     if ($mailSettings->id) {
         CRM_Core_Session::setStatus($status);
     } else {
         CRM_Core_Session::setStatus(ts('Your changes are not saved.'));
     }
 }