You don't have to use Google for Google to have ~half of your emails. https://mako.cc/copyrighteous/google-has-most-of-my-email-because-it-has-all-of-yours http

You don't have to use Google for Google to have ~half of your emails. https://mako.cc/copyrighteous/google-has-most-of-my-email-because-it-has-all-of-yours https://mako.cc/copyrighteous/google-has-most-of-my-email-be... Google have been so far good stewards of your data so nothing to worry about.