Received emails do not have unsubscribe link in the header

[dandumit]

probably too late but at list an answer

List-Unsubscribe header

Thanks @codes9 I think I understand now. a couple of questions: instead of adding on each email can I add it to the custom email headers in the config so that it appears on every email automatically? [Screenshot 2020-11-09 at 19.39.56] i get everything apart from the http://www.example.com/unsubscribe.html bit. how do I create the URL? this is dynamic right? (it will be different for each user) thank you for you help this is really useful