Dissapointed with poor business ethics

Dear MBD

I keep getting calls about a ********** MTN account that was opened under my name. I explain now and then to your agents that I do not have any account with mtn. I have sent all the relevant details/attachments on the 13th of October 2018 to prove my identity and asked for feedback regarding my request. No feedback was provided, I then called your office and they told me they busy investigating.. Your agents have started calling me again that I owe MTN. An agent called me today that attachments have not been received and I need to pay the account. This is not only affecting me but my whole family as I am planning to open a case regarding this whole harrasment situation. I am really dissapointed in the kinda way you run your business and treat people. An e-mail has been resent today at 13h09 21 November 2018. I kindly ask for further feedback.