1. Log into your cPanel, navigate to DomainsZone Editor menu:

2. Click Manage next to your domain:

3. Go to the MX tab:

If you would like to use a third-party mail service for your domain, you need to:

1. Remove existing MX records for your domain:

2. Add a new MX record(s) using the Add Record button:

3. Set Email Routing to Remote as described below.

Email Routing

Log into your cPanel, go to Email  > Email Routing menu:

In order to use a third-party email service, you need to change it to Remote and click Change: