if you check
2) Wordpress admin - S2Member - API / List Servers – Automate Un-Subscribe/Opt-Outs
you can see there's an option named "process list removals automatically"
This options can control the sync from s2member to mailchimp. But I can't see options the other way around.
Say me, Daniel create an account in my site, it creates an s2member account and at the same time it adds me to mailchimp.
When the site sends a mail from mailchimp to all users, I'll get a message...and in the mail there's an "unsubscribe" link. When I click this it will delete me from the mailchimp list, but not my s2member user.
Is there ANY way to acomplish this? (delete my s2member account when I click the unsubscribe link)
thanks