Caller: Someone saying he was from commonwealth bank

He asked me if I had transferred $300 to a Mr Zamit
I said No he said are you sure and proceeded to talk . When I said this is a scam he told me to Fxxk off .
They don't like it when you call their Bluff and I'm a 79 yo.
And if whoever called me reads this your a scum bag, who needs to be locked up for Scamming people. and you can do the same as you told me to do

My wife and I receive these invasive unsigned unsolicited messages
Same format same crap