Unable to cancel contract

<p>I initially submtted my cancellation of contact request and was told I need to submit it exactly on the 20th day befoe contract termination date as they cannot handle my email a few days earlier. I resent the cancellation and not there is completed and deadly silence. there has been no acknowledgement or responses to my follow up queries. however I am still being billed. Comeon Vodacome cancel my contact!!!!!!! what do I need to do for your to just follow process??????? PATHETIC</p>