Step 1: Forward your email
Step 2: Go to Gmail and setup an account
Step 3: Configure GMail to work with your phone
Step 4: Setup 2-step authentication
Copy down that password.
Step 5: Send from GMail
Click “add another email address”
A screen will pop-up.
Change “587” to “465”
Add your gmail login (firstname.lastname@example.org) and the app password you created from the above step.
GMail will send a confirmation email to this account. Find that code enter that code into the pop-up.
Run a test from a different account by emailing this new address. Never assume that everything is working ok.
Lastly, next to your new account in this screen, click “make default” so that GMail will use this one as your primary “send from” account.
Everything for free
G Suite is great but it is really meant for a business that has more than one user needing an email account (think you plus an assistant, employees, etc).