A long time ago I did get an acknowledgement from if I remember correctly paypal. But banks, HMRC get inundated with these things and try their best to sort it out but there isn't much they can do but alert people an warn them to be careful. I wouldn't bother reporting it. Did you open it to forward? I wouldn't open them but immediately delete.
Hands-on: Acer Predator Triton 700 review