Quick note:
- To send emails with Read Receipt in Gmail it must be enabled for your organization by your admin
- After it's been enabled it make take up to an hour for the feature to appear in your Gmail
- Refresh the Gmail page after the Read Receipt feature is enabled
To send an email with a read receipt:
- Compose a new email
- Click on the 3 dots on the bottom right next to the trash icon
- Click on 'Request read receipt'
Note: If you don't see the "Request read receipt" option, and it's been enabled for your organization, wait a few minutes and refresh Gmail. It make take up to an hour for the feature to appear in your Gmail.