What to do with more than one email account

I have a basic question about how SMTP adn email account with WordPress works. I have already got one email account from my hosting’s c-panel and have used it successfully with your Easy WP SMTP plugin.

What if I want a second, third or more email account that also end with my domain name in the email address? I can do that easily by adding email accounts with my hosting site. How can I achieve that with this SMTP plugin? If this plugin only works for one email account only, what other alternatives are there? Thanks.