With iOS 16 and iPadOS 16, Apple has added a number of improvements to the Mail app to bring it in line with competing email apps. How to unsend an email in iOS 16 Mail. The Mail app includes search updates, an Undo Send option, and tools for getting reminders about emails that you need to follow up on, plus more.iOS 16 adds the ability to unsend messages in Mail — here’s how it works
After you send an email in iOS 16 or iPadOS 16, you have a 10 second period in which to unsend the email if you make a mistake. 10 seconds is shorter than the amount of time that other mail apps like Gmail give you to unsend an email (30 seconds), but it’s better than no unsend option at all.
How to adjust the Undo Send Delay for the Mail app
With iOS 16, the Undo Send feature is activated by default, though you only get 10 seconds to stop that message from going out. If that’s too small of a delay, you can adjust the allotted time. Here’s how to do it.
- Go to Settings and select Mail.
- Scroll down on the subsequent screen and select Undo Send Delay. (It’s at the very bottom of the Mail Settings screen.)
- You’ll see a list of time options with 10 seconds already selected. You can adjust the time to either 20 or 30 seconds, lengthening the amount of time you have to unsend an email in iOS 16 Mail. If you select Off, you disable the unsend option.
How to unsend an email in iOS 16 Mail
Now you’re ready to unsend an email in iOS 16 Mail (assuming you didn’t select Off, that is).
- When you tap the Send button on a composed message, you’ll immediately go back to your inbox screen. At the bottom of the screen, you’ll see an Undo Send command. Tap Undo Send to recall your email.
- If you’ve successfully recalled your email, you’ll go back to the email draft, where you can either make changes or discard the draft entirely.
- The Undo Send command appears at the bottom of the inbox screen for however long you’ve set the Undo Send Delay in Settings.






