There are several ways to snooze mail. One method is to make snooze one of your swipe options. Additionally, when you're viewing a message you can tap the three dots icon in the upper-right corner, then tap Snooze.
In order to change your snooze preferences, follow these steps:
- From the app menu, tap Settings
- Tap Snooze Options
- Modify snooze options with your own preferences.