Whether you are using a Mac or a PC, you can open any web browser and go to the website https://my.fit.edu/. You will be prompted to sign in with your Tracks username and password at the CAS authentication page.
Once you enter your Tracks username and password, click "LOGIN."
Your login credentials will be authenticated and you will be redirected to your Gmail mailbox. It should look something like this:
You now have the ability to read and send emails as you would with any other mailbox service. This should work in any internet browser such as Internet Explorer, Mozilla Firefox, Google Chrome, Safari, etc.