Add List-Unsubscribe and One-Click Headers for Better Inbox Placement
Modern mailbox providers expect an easy, reliable unsubscribe method. Adding List-Unsubscribe and List-Unsubscribe-Post can improve user experience and deliverability.
Required Headers
List-Unsubscribe: <mailto:[email protected]>, <https://yourdomain.com/unsubscribe?list=LIST_ID&email=<%email%>>
List-Unsubscribe-Post: List-Unsubscribe=One-Click
Replace placeholders with your actual endpoints and merge tags.
Best Practices
- Honor one-click unsubscribes within minutes.
- Include a visible unsubscribe link in the footer.
- Do not require login to unsubscribe.
FAQ
- Q: Is One-Click required?
A: For bulk senders, Gmail strongly recommends One-Click; it reduces spam complaints and can help inbox placement. - Q: Can I use mailto only?
A: Provide both mailto and HTTPS to maximize compatibility.
