How to Unsend an Email After You’ve Sent It (iOS 16)

Stop someone from reading an email you regret or sent accidentally with this new iOS 16 feature that lets you Undo Send for up to 30 seconds.

* This post is part of iPhone Life's Tip of the Day newsletter. . *

Have you ever tapped send and immediately realized something was wrong with your email? We've all been there. With iOS 16, you can unsend if you realize your mistakes in a set amount of time. This can save you a lot of embarrassment and the pain of having to write a follow-up correction email.

Related: How to Add New Mailboxes in Mail App on iPhone & iPad

Why You’ll Love This Tip

  • Learn how to take back an email you wish you hadn’t sent.
  • Avoid conflict, confusion, or embarrassment by unsending emails.
  • Change the timeframe you have to unsend emails, from 10 seconds up to 30 seconds.

How to Unsend an Email You Sent in the Mail App

If you change your mind after tapping send on an email, iOS 16 has your back. For more Mail app tips, sign up for our free Tip of the Day! If you wish to unsend an email that you sent via the Mail app, you have up to 30 seconds to do so:

  1. Open the Mail app on your iPhone.

    Open the Mail app on your iPhone.
  2. Draft an email and select a recipient; you can create a practice one to send to yourself.

    Draft an email and select a recipient; you can create a practice one to send to yourself.
  3. Tap Send.

    Tap Send.
  4. At the bottom of your phone, you will see an Undo Send button. Tap it to stop the email from sending.

    At the bottom of your phone, you will see an Undo Send button. Tap it to stop the email from sending.

After you stop the email from sending, your Mail app will open the draft again, so you can edit it and resend if necessary.

Pro Tip: While this feature is new to the Mail app, other email apps such as Gmail have a longer unsending period.

If you wait longer than 10 seconds, you won’t be able to unsend the email unless you change the Mail Undo Send Delay in your settings. You can unsend an email regardless of whether the recipient has an iPhone or is running the latest software.

How to Change the Mail Undo Send Delay Time

If you’d like to give yourself some more time to unsend an email, you can do so in the settings:

  1. Open Settings.

    Tap Mail.
  2. Tap Mail.

    Scroll to the bottom and tap Undo Send Delay.
  3. Scroll to the bottom and tap Undo Send Delay.

    Scroll to the bottom and tap Undo Send Delay.
  4. Here you can pick between Off, 10 Seconds, 20 Seconds, and 30 Seconds. Tap one to select it.

    Here you can pick between Off, 10 Seconds, 20 Seconds, and 30 Seconds.
I like to do 30 seconds because it usually takes me a while to realize I made a mistake, so the more time I have, the better. I wish this could be even longer! Next, learn how to unsend text messages as well!
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Author Details

Olena Kagui's picture

Author Details

Olena Kagui

Olena Kagui is a Feature Writer at iPhone Life who lives in Hawaii. With a BA in International Relations from Anglo American University, Olena traveled the world. She has lived in Ukraine, the Czech Republic, China, and the USA. Olena won an excellence award for a controversial article, got a grant to blog from a war-zone, and published a short fictional story. She hopes to publish a full-length novel and continue writing up a storm on her blog The Travel Bug Bite! When she’s not typing or flying, she is loving on animals, crafting bizarre creations, and devouring all-you-can-eat sushi.