Here you can subscribe to new posts.

If you are a registered user on this site (see the Meta section in the bar to the right), you can administrate your subscriptions in your settings page (for example to select if the emails should contain just a brief textual description or the whole post in HTML format, or to select which type of posts to subscribe to by tags).

If you don’t want to register, you can still subscribe by entering your email address (which I will not use for anything but that), but you will not be able to select which type of posts to be notified of or what the emails will contain.