Closed account

I closed all my standard bank accounts as I could not handle their shoddy service any longer. My daughter mistakenly bought a book on my kindle / amazon account before I changed the credit card details to my new banking details. The purchase went through. I then received a threatening sms from standard bank saying I was **********ly using a closed account / credit card. I have repeatedly tried to sort this out with standard bank, but all they tell me is that the account is closed and I have a zero balance. Who knows whether I will find out in the future that Standard Bank has now blacklisted me because of the R120 I owe them