Source? I thought Apple gated XAPPLEPUSHSERVICE so 3rd party accounts on the mail.app fallback to fetch/poll.
Push works with Yahoo and Exchange. Google used to allow it, but stopped (apparently in 2013): https://www.engadget.com/2013-03-26-gmail-push-notification-...
alt Hacker News
Push works with Yahoo and Exchange. Google used to allow it, but stopped (apparently in 2013): https://www.engadget.com/2013-03-26-gmail-push-notification-...