You can download the beta from http://www.mailboxapp.com/ http://www.mailboxapp.com/ now, but you'll need a betacoin to actually use it. Apparently existing use

You can download the beta from http://www.mailboxapp.com/ http://www.mailboxapp.com/ now, but you'll need a betacoin to actually use it. Apparently existing users of Mailbox can expect "betacoins" granting access today.