To create Email Webhook, from the Main Menu, go to Settings -> Webhooks...
Click on Create Webhook...
Event: Select the event.
Type: Select Email.
Description: Give your webhook a description.
Status: Select the Status. InActive Webhooks won't be executed.
Description: Give your webhook a description for your reference.
From: The from address. Make sure your SMTP Settings are setup.
To: The Recipient
Cc: Carbon Copy
Bcc: Blind Carbon Copy
Subject: The email subject
Body: The email body