Ghacks has a list of the top 20 disposable mail systems, systems that let you sign up for something or are a built in trap for spam, and other stuff that ends up coming in e-mail over the course of a day. Given the rise of spam, using a disposable e-mail account makes some sense. With the rise of people who want you to log in or otherwise turn over who you are, beyond the standard “you don’t need to know” entries, the disposable e-mail system might help out in the longer run.

The original list came from Sizlopedia here and they say that the key benefits of using a disposable email box is

Protect you from spam mails
Protect your mailbox from exploits, spoofs and hoaxes
Require no signup and/or registration
Automatically expire after a certain time period

Source: Sizlopedia

Ghacks goes on to say that there are some issues with disposable systems that might be something to think about, like someone trying to reset your password later on in life or long after you have forgotten about the system and the account you have there.

Out side of that minor issue, there is a lot of benefit to using a disposable e-mail system rather than the one you use every day. Odds are most likely you are already getting a pile of spam already, no sense in adding to it by using the everyday e-mail address everywhere you go.

Disposable systems though have solid uses, and one of the most popular uses is that it keeps some of the more nosy sites that want to know all about their readers, not that they really need to know, but we would be interested in seeing the bounce rate when someone clicks a link to premium content and refuses to fill out the form. Use the Bob Evans alias with Bob@disposa.com type of e-mail address, have some fun with it.