The Internet giant tries to convey to users that many emails are not secure once it leaves Google's hands.
Google routinely publishes reports to establish transparency into how often responds to data requests from law enforcement agencies, but its latest update pertains more to industry competitors.
The Internet giant issued a memo on Tuesday -- a reminder to some and maybe a heads-up to others -- that while Google might promise to keep emails encrypted within its bounds, it can't say the same when messages float beyond its digital grasp.
In fact, Google estimated that between 40 and 50 percent of emails sent between Gmail and other email providers aren’t encrypted at all.
Read more at: Google boosts Chrome encryption amid email warning | ZDNet