Push email notification is virtually always the better choice. Messages come faster, the client device has fewer responsibilities, and communication is smoother. ... Fetching emails should only be used when the client or server does not support push email notification.

Should iPhone Mail be push or fetch?

Push is generally considered to be better for your iPhone's battery life, although if you set your iPhone to check the server less frequently with Fetch, that also helps. You can also choose which email mailboxes get pushed. Additionally, Push only works with newer email protocols like IMAP.

Is Gmail fetch or push?

In Android, for example, Gmail uses Google Cloud Messaging to have your Emails delivered to you. If you want to use Push notifications, then remember to go with the IMAP Email protocol. The older your device is, the less likely it is to support push Emails.