We always found it odd why Feedburner required you to doubly opt-in. First, you enter their Captcha code before sending you a confirmation email with an activation link inside. Well, FeedMyInbox did what Feedburner didn’t – make it extremely easy to subscribe to any RSS feed via email.
FeedMyInbox sends any websites RSS feed to your email. The only difference between this and Feedburner is FeedMyInbox skips the Captcha.
That’s about it. Neat little guy. Enjoy!