Originally posted here by bimmer
as far as i know:
BigMailBox (the provider) have discontinued their service with very little warning, and as their site has now disappeared completely, it doesn't look like you'll be able to retrieve anything left in your accounts.
so, it's the provider problem not AO.
I'm still able to access the main page at www.bigmailbox.com ,however as I have not signed up for an account, I can't tell if it's possible to access them.
Hopefully though, it will only be BigMailBox that discontinues, and not AO.
Here's to bigger and better things under a possible new ownership