Unfortunately, we do not allow users to unsubscribe from the Cashback transaction notification emails due to security reasons. We want to keep users notified on any account activity that may take place. However, you would be able to unsubscribe from the marketing promotional newsletters.
However, you may unsubscribe to our newsletters by following the guidelines here.
If you have any further queries, please do not hesitate to click here and we will be glad to assist you!