Since 2021 this comp...

Since 2021 this company has been trying to rip me off for fraudulent debt and I keep receiving emails that I owe them and demand payment of 4200, can someone please investigate this nonsense as I do not owe them anything, no service was provided to me and it is annoying that they try to prosper through fraud , I want them to stop sending me emails and threats, I won’t allow them to intimidate me