Log into the cPanel webmail interface: https://yourdomainname.tld/webmail
(replace yourdomainname.tld with the domain name that you purchased)
Type in your full e-mail address and password and click Login.
Once logged in, click on Configure E-mail Client.
Then follow the directions to set up your e-mail client software.
Note: If your website is hosted externally using a 3rd party service (such as Shopify, Squarespace, etc), then the incoming and outgoing mail server address should be set to kennebec.207hosts.com.