How To Update MX Records in Cpanel
1.Log in to cPanel.
2.Go to "Domains" and find "Zone Editor" or "Advanced DNS."
3.Choose your domain name.
Do one of these:
1.Edit existing MX records: Click "Manage" and edit the priority/destination as needed.
2.Add new MX records: Click "Add Record," choose "MX," enter priority and mail server address, then click "Add."
3.Click "Save" to finalize the update.