1- Create a list in Mailchimp for my forum.
2- Install (a plugin?) in Xenforo to sync all existing users with that list.
3- Every new Xenforo user will be added to the list automatically.
4- I mail all my users and if they unsubscribe they will be out of the list. (this already happens in mailchimp)
Anyone that knows how to accomplish this with a plugin or another way ?