Mailchimp Opt-outs and Bounces
If a subscriber unsubscribes from your Mailchimp campaign, the unsubscribe information will go back into Ad Orbit . The contact will remain on your list, but will no longer receive any promotional emails. The subscriber will have to opt back in through Mailchimp to receive emails.
A Mailchimp email requires an unsubscribe link. Once a contact unsubscribes, the contact will get marked as (opt-out ) in both Mailchimp. When you go to push an update to your list, you can choose to Opt-Out Unsubscribed Contacts and Disable Cleaned (Bounced) Contacts; this will update your records in your system .
Once a subscriber is opted out, he or she will no longer receive any emails but will stay on your list.
The contact must go through Mailchimp re-subscribe process to receive emails again.
The system will also keep track of bounced emails. All bounced emails in the system.