Still marketing after repeatedly requesting to STOP!

<p>This is the third time i am requesting MTN marketing to STOP sms'ing me. It is IRRITATING and i am loosing patience with MTN. I will change providers if this does not stop!</p> <p> </p> <p>Please remove both my number ********** and my girlfriends number ********** from your marketing campaigns with immediate effect otherwise we will leave the network.</p> <p> </p> <p>You guys have already promised this was addressed with marketing.</p> <p> </p> <p>the reply STOP 30246 does not wor****!</p>