Cancellation of service

<p>My contract with Telkom expired on 31/1/2017z I completed a form beginning of Jan to cancel the service, it wasn't cancelled. I completed and sent the form again pn 1 Feb to have the service cancelled by 28 Feb. Once again it was not cancelled. When I phone or go to the shop I am told to e-mail the form again... How do I get this cancelled? </p>