How to setup DataTransfer :

[definitions.txt]
Add any extra card types that you accept through DataTransfer

	PAYMENT_METHODS=Visa|MasterCard|American Express|Discover

example

	PAYMENT_METHODS=Visa|MasterCard|American Express|Discover|JCB

[ShopFactory]
Order emails will be sent DataTransfer's secure server.

You must also choose DataTransfer in Company Details | Payment System and enter your
DataTransfer Directory in Company Details | Payment Options | User ID