Post_needs_approval email not triggering for category-level moderation

Hi,

We have a Discourse instance hosted on trydiscourse.com with a specific category that has “Require moderator approval of all new topics” enabled. Posts are correctly going into
the review queue, and users see the in-app popup, but the post_needs_approval email notification is never sent to the user.

Is there a way to trigger the post_needs_approval email for category-level moderation without using the global setting?

Any guidance appreciated. Thanks!