the address for reporting email abuse is
http://www.ntlworld.com/netreport
for advice on what to submit, see the relevant section here
http://www.ntlworld.com/helpsupport/...ernetabuse.php
if you don't have anything to do with Worldpay it is definitely some kind of scam, I get similar from Natwest, even though i don't have an account I am regularly invited to update my 'details'
I wonder if the attachment tries to load a keylogger that then waits for you to check your card balance on line ?????