How to Enable a Delay in Sending Email Message in Google Gmail

Enabling a send-delay in your gmail account (up to 30 seconds) to allow for email cancellations

To enable a delay function in sending emails out via Google Gmail, please review the following steps to set it up on your account:

1. Open Gmail Settings:  (Note: Desktop browser required.)
   Log in to Gmail on a computer. Click the Settings (gear icon) in the top-right corner, then select See all settings.
   Verification: The full Gmail settings page opens with tabs along the top (General, Labels, Inbox, etc.).
    
2. Locate Undo Send: General tab.
   Stay on the General tab and scroll down to the Undo Send section.
   Verification: You should see a dropdown menu labeled Send cancellation period.
    
3. Adjust Cancellation Period: Choice of 5, 10, 20, or 30 seconds.
   Click the dropdown menu and select your preferred delay buffer. The maximum available buffer is 30 seconds.
   Verification: The dropdown displays the selected value (e.g., "30 seconds").
    
4. Save Changes: Scroll to bottom.
   Scroll to the very bottom of the page and click Save Changes.
   Verification: Gmail reloads and returns you to your inbox with a brief confirmation banner at the bottom left.