MailCatch is available directly from your Firefox browser. It is a non-intrusive addon, which
simply adds an entry to the right-click context menu. No space-taking toolbar!
You can download it simply from here or from Mozilla Addons repository here.
How to use:
You can use any address you want, but in case you can't think of a good cryptic one, here is a random one:
You can access your mailbox even faster by using an url like that:
You can access your mailbox as a RSS feed using your favorite feed aggregator. Just enter your mailbox name and click on the RSS button.