To suspend emails related to a specific customer/order you must follow the steps bellow :
- Go to the orders page.
- in the quick find box type the order id or the customer name that you want to suspend.
- When you find customer you want to suspend click on the "Eye" link to view the order's details.
- you will find a list of emails sent/pending related to that order, right bellow it you will find a button "Force UnSubscribe".
- click on "Force UnSubscribe" and a confirmation box will come , confirm it and you are done .
ps:when you suspend emails to a specific customer only emails on pending will be suspended.