Netbanx will provide you with details of their admin panel. You
will need to add permitted URLs to this; their gateway will only
accept orders that are referred to it from these allowed URLs.
The callback also needs to be set up at Netbanx -
this tells Netbanx the page to send payment success or failure
messages to, so that Kartris can update the order status to show it
was paid, and send confirmation mails. This should be set
to:
