I've published a Disposable email services guide in March 2006 and I suggest you go there if you are looking for a list of one-way email addresses. The idea behind one-way, throwaway or disposable email addresses is simple yet ingenious: it provides you with access to email addresses that are publicly available, more or less so, so that you do not have to use -- and reveal -- your main email address to others, for example to avoid being spammed.
Disposable email services make available one-way email addresses. They are excellent when it comes to forced registrations on the Internet. Say you want to access a site's contents but do not want to use your email address to sign up for that purposes. You use a temporary email address instead that may or may not get spammed afterwards, but that is of no concern to you as you have no ties with that address after having used it.
Temporaryinbox is one such service and someone apparently created a Firefox extension for this service.
The Firefox extension for Temporaryinbox generates a random email every time you press the random email button. Copy that email into the form and finish the signup process. To verify the email you simply enter it again and click check to check new emails for that account. The inbox will load and you can click directly on the verification link.
It would be nice if the extension would work with more than one service. Many websites ban email addresses from disposable email services and a selection of services would come in handy.
Update: The Firefox extension has been removed from the Mozilla Add-ons repository, while the service itself is still alive and kicking. While you can still use the service's website for your temporary email needs, you can also use a different extension for the Firefox web browser. (Update: it is dead now as well)
Check out Bloody Vikings for the Firefox web browser which supports several temporary email services, which makes it more versatile than single-service extensions. This can be useful if a service is blocked at a website you want to register an account at.
Once you have installed the extension, you can access all supported email providers by right-clicking on a form field in the Firefox web browser and selecting the Bloody Vikings option from the context menu that opens up.
You can check out our updated list of temporary email services that we have published in 2012.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.