I believe most iPhone users like me are using the built-in Mail app for email messaging. It's convenient and rather intuitive and we can check all the email accounts at one go. Weeks ago, a friend of mine recommended me to try out the Mailbox app. I tried and downloaded the app. It turns out that because of the overwhelming demand, the service provider is struggling to catch up in capacity. They set up a reservation queue to curb the requests. Below is what I've got when I first made a reservation.
