What is the difference between Local, Backup, and Remote Mail Exchanger in cPanel?

These are options for the MX Entry for a domain in cPanel. Essentially, the option you choose tells cPanel how you would like the mail services for the domain handled. Mail Exchanger Options: Unless you have a particular setup that needs these explicitly stated, the recommended option is “Automatically Detect Configuration.” Local Mail Exchanger: Handle all mail sent from the ...