After a story like this, how on earth could any corporation blindly trust a cloud provider with their data? By using an e-mail service that does not have such

After a story like this, how on earth could any corporation blindly trust a cloud provider with their data? By using an e-mail service that does not have such clauses in their terms of service, or even better, guarantee that they won't read your e-mail. Because if they do, it makes it a lot easier to sue them. Of course, e-mail is inherently insecure. Even with PGP encryption, the metadata is visible by every SMTP server on a message's route. So, don't expect privacy when using e-mail.