Every so called free provider generates revenue from accounts on their platform, otherwise they couldn’t continue to pay for the people, servers, and electricity that keep the doors open.

In the case of most free email providers, they read and analyze your email to create a profile of you and your recipients, then sell this to advertisers. In fact, not only do they store all your messages and information, they may even keep them after you delete them! By using their free service, you are effectively selling your privacy. This personal private data about you circulates in the market increasing the chance you could become the victim of intrusive ads, phishing attacks and spam messaging.