Funny you should ask.

Today everyone on the local venue organiser's group got this email purporting to be from our host. The only trouble was that we got it 648 times in the space of 6 hours.

G'day!

I'm having a spot of bother with spam email these days and only accept mail from people whose email address I have in my address book. As I don't seem to have your email address in my address book yet, please (just this one time) send your email again including the word cleanshaven in the subject. The word 'cleanshaven' as part of the Subject will mean that your message will get through to my Inbox and I'll then add your address to my address book. From that point on communication between us should be fine. (However, don't forget to let me know if you change your email address!)

On the other hand, if you are a S@#$&*^&!@# spammer!!! then as you get stupid machines to do your dirty work for you and they won't be able to read this message you'll never polute my intray again!!!

Yippee!!!!

And HE is having a spot of bother with spam email!