This is a discussion on Adding Gmail Account In Mac OS Mail App within the Switch 101 forums, part of the Tutorials category; Some of us like Mail application (including me) and why not it's simple, free and does the job, anyways here ...
Some of us like Mail application (including me) and why not it's simple, free and does the job, anyways here I will show you how to add gmail account in mail, it's pretty simple
1) Go "Add Account" from File menu
2) Enter your account information
and that's it !
here's a video guide of how to do this