Hi, ok I get it, thanks.
So there are two cases:
- email campaigns
- transactional emails
More details here: https://help.brevo.com/hc/en-us/articles/9741388688402-Do-I-need-to-add-an-unsubscribe-link-to-my-emails-#tab-content-20
As far as I understand this article, when a customer unsubscribes manually from one of your emails, she will be unsubscribed from the email campaigns. You can still unsubscribe someone from transactional emails, manually, by going on her contact page.
maybe @Olivier_Beorchia you know a bit more than me on this topic?