Log in to the cPanel administrative console.
- From the Mail section of the page, select MX Entry.
- In the Email Routing box, select Remote Mail Exchanger and click Change.
- Include the following MX record values: cloud5.spamtitan.com ; cloud6.spamtitan.com
- Click Add New Record.
- To add MX records for the additional servers, repeat steps 4 to 6 for those servers. Give backup servers a lower priority than the primary email server.