Log in to the cPanel administrative console.

  1. From the Mail section of the page, select MX Entry.
  2. In the Email Routing box, select Remote Mail Exchanger and click Change.
  3. Include the following MX record values: cloud5.spamtitan.com ;  cloud6.spamtitan.com
  4. Click Add New Record.
  5. 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.