When sending a mail you can hold the send button and decide when to send the mail.
Schedule emails to be sent whenever you like
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Get reminders to follow up or come back to a mail
Simply swipe the mail you've received and click on the "Remind Me" button.
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9 iOS 16 Features: Lock Screen Customization and Focus Filters
How to customize iOS 16 lock screen widgets, use Focus filters, edit messages, and lift photo subjects