Gmailify is being discontinued this month, ending Gmail’s ability to treat non-Gmail inboxes like native ones.
With Personal Intelligence, AI Mode will be able to provide responses based on your upcoming plans and past history.
Google announced Gmailify in February 2016 and is now ending support for its system to upgrade third-party email accounts.
Gmailify lets you access features like Google spam protection on a third-party account, whether it's Hotmail, Outlook, Yahoo, ...