Now Gmail accounts should be setup just through 'Internet Accounts' in the System Preferences, and the SMTP will be setup automatically. You shouldn’t need to do any of the custom SMTP setup within Mail to get a Gmail based email account working in macOS. How to remove and setup your Gmail account in Apple Mail If your SMTP server is still showing offline, close and reopen Mail. Incoming mail should refresh at this point, but outgoing SMTP may still show up offline. (Thanks Colin!) I would suggest trying this first before the steps to delete and re-add the Gmail account below.Ĭlick the Apple menu (upper left corner of your screen) > System Preferences > Internet Accounts.Ĭlick on each of your Gmail based accounts and see if you're told to open a browser and confirm your password. Here's a great suggestion for what worked from a commenter. Update March 30, 2021, How to confirm your Gmail accounts in Apple Mail Even adding the SMTP server manually in Mail didn't help. Her outgoing email account (SMTP server) for a Gmail based email account kept appearing 'Offline' right after she set it up.

I originally wrote this post when I helped a friend with her outgoing email in Apple Mail.