I still receive post after several requests not to

On my internet banking, all settings show that I want to receive all communication by email. Yet I still receive my interest statements by post. I have phoned every ABSA call centre imaginable and I have been to the branch in this regard at least 3 times. They either tell me \all your settings are showing 'no post'"or \""I have made a change and you should no longer receive post\"". Yet I still continue to receive statements with my personal information and account balances in the post. I believe this puts me at risk for *****. I need Absa to DELETE my postal address and never send me anything by post again. How do I do this??? Or should I move to a different bank to achieve this?"""