Your Cloud UM is configured in a way that each email recipient will be automatically unsubscribed from all Lists on the first hardbounce received.
The same applies when a Complaint is received via https://en.wikipedia.org/wiki/Feedback_loop_(email).
Your Cloud UM is configured in a way that each email recipient will be automatically unsubscribed from all Lists on the first hardbounce received.
The same applies when a Complaint is received via https://en.wikipedia.org/wiki/Feedback_loop_(email).