- Log into cPanel
- Go to Domains section > click on DNS Zone Editor

- If you have multiple domains under your account, select appropriate domain to set the MX records

- Click on MX Record and add the desired MX entries

- In the Add an MX Record dailog box, in the Priority text box, type a priority
Note: Lower number represents higher priorities , Zero(0) is the highest priority
- In the Destination text box, type a FQDN (fully qualified domain name) of the mail server
- Click Add an MX Record, after you will be notifying you have successfully added MX record