/**
* Get the subscribers suffix with fallback to customer data
*
* @return string
*/
public function getSubscriberSuffix()
{
$suffix = parent::getSubscriberSuffix();
if (!$suffix && Mage::getStoreConfig('newsletterextended/fields/customer_fallback') && $this->getCustomer()) {
$suffix = $this->getCustomer()->getSuffix();
}
return $suffix;
}
