You can easily configure it to use Google Gmail SMTP service, using your own (or any other) Gmail account.
After install, you must configure Easpy WP SMTP as follows:
From email address: any email address you want to be the sender (es. info@mydomain.com)
From name: use a friendly name (es. "Customer Service")
SMTP host: smtp.gmail.com
Type of encription: SSL
SMTP Port: 465
SMTP Authentication: yes
SMTP username: your gmail address
SMTP password: your gmail password
Click on "Sava Changes"... and it's all!