AirG Bogus Subscription

Get this SMS weekly and so are many others.<br> Your recurring R7.00 Subscription to AirG Social Service will be billed on 2015-04-07. To unsubscribe click [URL Removed]<br> I have not subscribed nor would I for any such service. So I view this as an unauthorized and Vadacom needs to sort this out. I will scrutinize my vodacom bill for the past year and expect any over charge to reversed.<br> <br> What the hell is going on. How do you allow this.<br> <br> I am due for a upgrade and I have other options, Please get back to me urgently.