I have a Deluxe Linux hosting account where I have 2 domains hosted, both are separate businesses that I own. One of the domains would like to start using Gmail's email service but my other domain is fine with using GoDaddy's since it uses Outlook.
My questions is can this be done? Can I change the MX records for one of the domains allowing them to use Gmails email service while leaving the other alone?
That is correct, the MX settings are per domain. So it'll be fine if all of the email for this domain is thru one provider and another domain uses a different provider.
Here are the steps: