The remote server returns

Form decoded the Crypt field as follows.
VendorTxCode=1298062774&Amount=43.01&Currency=GBP&Description=Goods&Su
+ccessURL=http://www.h
appy.com/success.html&FailureURL=http://www.unhappy.com/failure.html&B
+illingSurname=Blo
ggs&BillingFirstnames=Fred&BillingAddress1=30 Peyton
Place&BillingCity=Somewhere&BillingPostCode=AB1
2CD&BillingCountry=UK&DeliverySurname=Bloggs&DeliveryFirstnames=Bill&D
+eliveryAddress1=30
Peyton Place&DeliveryCity=Somewhere&DeliveryPostCode=AB1
2CD&DeliveryCountry=UK6 U
[download]

And on the last field DeliveryCountry:

UK6UK3EåÆÿðyë