Today I check my email. I have loads of WBC newletters. I've never even used this email to email them! There's no unsubscribe option! WHAT DO I DO!?!
If you have spam or junk settings then add their email address to the blacklist. If not then maybe you need to get a new email address? Don't reply as that confirms the address as valid and you will get even more crap from them.
But, in all seriousness, the best course of action (as Paul said) is to report them as spam or blacklist them in some way. Do not respond to the e-mail because they will know it's an active e-mail address and in turn sell it to more people. Most newsletters come with an unsubscribe link towards the bottom as well.
Yeah I tried to find a an unsubscribe link. But the email just contains a single line (the subject) and then an attatchment.
I say keep them on, this is hilarious! Now they're after Elton John and Billy Joel? What does being fat and British have anything to do with it?