NBA Nashua Mobile Account handed over for collecti

I received the following email today from this NBA company claiming that I owe Nashua Mobile money. <br> Dear MR <br> Your NBA Nashua Mobile account has been handed over for collections.Our client has instructed us to collect the full outstanding balance due on the account.<br> Contact *** or reply and consultant will gladly assist in providing you with a settlement amount. T&C's apply. <br> Should you not be able to settle the full balance we would like to offer you a convenient payment method via a Debit Order or a direct payment can be made at any FNB Account.<br> <br> Firstly, they haven't indicated Mr WHO?? <br> Secondly, I had a Nashua Mobile account up until last year October (2014) when I cancelled the contract and paid the cancellation fee. The account is closed and the number has been converted to prepaid. Therefore, I would like to know what account this is.