If needed, you can add custom headers to your message:
- Select your message
- Click the + button to the right of the subject line
- Choose a pre-populated value from the menu that appears, or choose Custom
- Enter the header name and value
You can use mail-merge tags in header values.
Headers Included For You
Direct Mail adds several headers to your campaign automatically when it is sent. These are used to comply with industry email standards or to facilitate handling campaign feedback (like unsubscribes or complaints). Headers include:
- DKIM-Signature*
- Feedback-ID*
- List-ID
- List-Unsubscribe
- List-Unsubscribe-Post
- X-Report-Abuse*
* Only when campaign sent via e3 Delivery Service