Undo Sent Mail in Gmail

The official Gmail blog has introduced a new feature in Gmail labs to undo the sent mail. If you have sent an email without attaching any file or mis spelled or forgot to write content this feature will help you to undo the sent mail.
So that you can stop sending mail to receiver .
Let’s see the steps to enable this feature
1. Log in to your Gmail account
2. Move to settings page and select labs option (If you haven’t enabled Gmail labs click here)
3. Find out undo send option in labs and enable it
4. Save the settings and come back to Gmail.

image credit:gmail