Even if you haven't got a PayPal account you may have received an email entitled:
Important PayPal Notification - Security Issues.
This 'phishing' email urges you to update yout PayPal records via a link to a website that looks like PayPal
If the email begins without your name i.e. Dear valued PayPal member... then it is probably a scam.
The email may look something like this...
This email is a scam. This technique of trying to get you to enter your PayPal Username and password is called 'Phishing'.