Undo Send Email in Google Mail

Don't worry about mistakenly sent an email. Gmail now offer 'Undo Send' to recall back the sent email.

To enable:

1. Login to Gmail via www.gmail.com with valid Google account

2. Click gear icon located on top corner right hand side.


3. Select Settings

4. Click the Labs tab

5. Scroll down to 'Undo Send'

6. Select Enable radio button > Save Changes

7. Select General tab > Scroll down to 'Undo Send'

8. Select desire time next to 'Send cancellation period:' (default 10 seconds)

URL: https://support.google.com/mail/answer/1284885?hl=en