List-unsub headers

The List-Unsubscribe header is an optional email header that you can add to your messages. Depending on the mailbox service provider it allows subscribers to see an "unsubscribe" button they can click if they wish to automatically stop receiving your messages. Otherwise

Providing your header

You can provide your own list-unsubscribe header

More info on the subject: List unsubscribe

Providing our header

If you are not giving your own list-unsubscribe header we are adding it to your emails in their headers.
The list of subscriber who wants to be unsubscribe will be available in csv on your sftp access.