163.com Free Email: How can you not have an email address of your own if you're online? Most of the emails on the Internet are free, such as 163 free email, QQ email, Yahoo! Email, Sina email, and 126 email. These are all free emails. Of course, there are also paid emails. Now even mobile phones have mobile phone emails. 163.com free email is currently the most widely used and is also the best free email.