Kindly run a full scan on your computer to make sure that there's no malware or virus.
Change the password of your account and avoid any website that you are not familiar to make sure that your device is secured.
Once done, delete the email and don't click any link.
Just checking should you require further assistance, if so please update this thread.
I just recieved a scam email quoting above subject. they reckon that they have been collecting data from my machine and want me to pay. should i just trash email. it says it was sent by me