Good morning,

I would like to moderate all posts from a User Group, and every new post would require the administrator's approval before they are displayed.

I have been unable to find this option in the User Group. I am a bit lost. Could anyone tell me how can I ENABLE the automatic moderation of ALL the new comments from a specific user group?

Thanks a lot

Keep in mind that there is no feature to require administrator approval. There is the ability to require moderator approval. If you mean that, then you can do the below:

ACP -> Members -> Groups -> edit group -> Content -> enable "Require approval before content shows?"