Mailinator – a website which gives you a free registration email address

No, not Arnold sending email…

Mailinator is a free server which allows you to have a personal disposable email account.

Ideal for when you need to register on a website to grab something BUT you don’t want to give the site your real address.

See here.

Reference links
I Cringley : The Five Percent Solution: Who needs another chat client? You do.
I Cringely: Stream on: How Microsoft, on the Brink of Defeat, Could Still Win the Streaming Video War