Unauthorised insurance

I received an sms informing me that my application for insurance has been approved. I called the number on my sms & spoke to an agent that did not check anything but told me I received this is an error. I have not app**** gor insurance & neither am I impressed with the answer I had received. Dear HIFI CORP CREST client, MONICA BLIGNAUT we have accepted your application for Abacus Insurance. You are now covered in terms of your insurance policy documents, please open the link containing your welcome pack, https://comms.abacus-insurance.co.za/gr85, Regards Abacus ***