Copies of email (notification of new comment and/or response)
Hello, first forgive me for not knowing English and using the google translator.
As is done so that the notification received by the author of the post is also received by the administrator as a copy and the same with the answers.
We don't follow you well. If you mean the email mentioned in this doc, this is not a wpDiscuz email. It's default WordPress email.
I've found the following article it should be helpful for you: