Missing from this report - and many other news reports - is this:
Because of the way the Internet works, your personal e-mail traffic may be processed outside of the US. Once that is done, your mail is now "foreign" and subject to anything the government wants to do.
So the domestic/foreign distinction is completely bogus and the apologists from Obama on down know it.
Brasscheck TV's answer to the normal human question: "What can I do?"