Email Subject, Heading, and Content
Email subject
Controls the message subject shown in the customer’s inbox. Placeholders can be used, for example an order number.
Email heading
Controls the main heading inside the WooCommerce-wrapped email.
Email content
Uses the WordPress editor so you can add formatted explanatory text and placeholders such as the tracking table.
Recommended content
Keep the message concise: confirm that the shipment has left, provide the tracking table, and explain that the carrier link opens the carrier’s own tracking page.