A load of crap ,,scammers ,letters from germany solicitors ,,

A load of crap ,,scammers ,letters from germany solicitors ,,

i cancelled when i knew it was only a scam ,,3 days ,,cancelled credit card ,,now got a letter from germany demanding i pay 165 aus ,,they say dept collectors ,,what a load of shit ,,,not going to pay for shit

Same shit
Mistake to join
Now I want to cancel and they r not returning any calls

What happens with the payment as followed by some layers in Germany

How did they know your address to send you a letter?