the cart is at
http://dermaenaturalskincare.com.au/store/
one of the message contents was
Dear Customer,
X-Monitoring service detected some changes on the web pages:
* Store URL:
http://smartartshosting.com.au/dermaenaturalskincare/store
You can view these changes via admin back end.
*
http://help.x-cart.com/index.php?title=X-Cart:X-Monitoring
X-Monitoring Team.
the cart was originaly set up at
http://smartartshosting.com.au/dermaenaturalskincare/store until we re-delegated the domain - maybe this has something to do with it