Green Day Promo Code £5 off a basket of £30

I found a voucher for £5 off at the official Green Day store through a promo email, did anyone else get the email?
Use code GRNDAY for£5 off when you spend £30 at http://store.universal-music.co.uk/restofworld/Artists/greenday/icat/greenday
Valid until 14th March
t&c's apply

Winner!!

No gift voucher found. Please check your code and try again.
Please note that the email address at which you received the Gift Voucher must be the same as your account email.

Did you get that code from an email from Universal? I think they must be matching codes to accounts. Thatnks for letting us know though :3