Fortunately, currently electronic or email messaging services have provided an Undo Send feature that can cancel email messages that have been sent.
The trick, you just need to press the Undo Send feature that is available in the application.
The Undo Send feature itself will appear after the email has been successfully sent to the recipient and the menu will be in the lower left corner of the screen.
In addition, the feature allows a way to cancel a sent email within 30 seconds if you want to correct a previously sent email.
Here's how to cancel an email message that has already been sent as quoted by timesnownews.com:
1. First step login and login to your email account using your email id and password
2. Then go to settings
3. Click on the General tab
4. Then select the option ‘Cancel Send'
5. Click on ‘enable Undo Send option'. Then choose to click on the cancellation period which ranges from 5 to 30 seconds.
6. After that click “Save Changes”
After making these settings, the Undo menu will automatically appear at the bottom of the screen after the email is sent or the Send button is clicked.
Then undo button in your selected time range, you can remember your email and you will see ‘delivery cancelled' message.