for the first posts of a user, which may need to be approved (based on a forum policy), a reason for rejection may be good.
when an admin reject a “waiting for approval” post, it’d be good (educational for users) to add the reason so that this reason goes to the user directly.
currently we message users about the reason their post is not accepted. it’s a bit of work, as in a message you need to say hi and bye .
I’m not sure if this can work, but when admins click on
reject button, a window like the flag window can open and admins can write the reason or choose among the list: