Our mailbox7 email storage server is currently under heavy load. We’re working to resolve this issue and will update this post as soon as we have more information.
2014-05-12 19:41 UTC: Mailbox7 is being rebooted to pick up a new kernel
2014-05-12 00:33 UTC: Mailbox7 has been stable for the past couple of hours. If you have trouble accessing your mail, then please open a support ticket.