Most likely, most of us have had to register at a site in order to view content, download something, etc. It’s irritating that in order to get our stuff, we have to register (and suffer through the inevitable spam that follows). Spambox can help you avoid that.
Spambox creates a temporary email inbox – you specify exactly how temporary you want it to be – and then forwards all your mail to your regular inbox. For example, this might be especially helpful if you’re registering at a forum and need to finalize with a confirmation email: just set your Spambox time limit for an hour, get confirmed, and your record is wiped clean.