Scam alert

These people contact us with regards to an outstanding invoice for White page online. First we were contact by a company called Credit bureau. When i showed them proof that the banking details supplied by White page online was fraudulent they went away and then this arrogant person from Debtor Track and company starting emailing me. They have a gmail account and no letterhead no company details on their emails or any telephone number but trying bulling me into paying them for that invoice. Beware do not pay them is what I say!