Setting FirstClass as your default mail client Reverting to your browser's mail client Setting FirstClass as your default mail client By default, FirstClass is not used to send and receive Internet mail; it is kept separate from your Internet connection. If you make FirstClass your default mail client, FirstClass: •       sends and receives Internet mail •       can use mailto links. To make FirstClass your default mail client, select "Register FirstClass® as default mail client" in your preferences.         Mac If you don't see this field, you must choose your default mail application through the Mac system preferences. Top Reverting to your browser's mail client If you made FirstClass your default mail client, but now want to use your web browser instead, start up your browser, then make it your mail default. Top