Mailbox, the new email app for iPhone app that reviewers went nuts over last week, is experiencing problems delivering messages to users.
Right now, Mailbox will display a badge notification on the app icon when you get a new email, but the messages won't load when you open the app.
Mailbox is going through a phased rollout with a reservation system in an effort to keep the company's servers from being overloaded. Users have to fill out a form online and enter a unique code to get in line for the app. Reservations are filled first come, first serve, but there are currently hundreds of thousands of people waiting for access to Mailbox.