Mute DMs from a group

[Heliosurge (Dan DeMontmorency)]

If you’re self-hosted or not n a plan that supports.

Private Topics Plug-in might work. Instead of using Group mail box use this plugin for which groups can respond to private topics.

Private Topics Plugin

Summary Private Topics Enables private topics in a regular category Repository Link GitHub - communiteq/discourse-private-topics Install Guide How to install plugins in Discourse Features This plugin allows you to add an extra security setting to categories so that users can only access their own topics. You can also designate one or more groups that can see all topics in the category. This is typically used for providin…

You could set maybe group to watch first post? Not sure if notification for category could be set group wide to turn on & Off.

But maybe the assign plugin or custom m automation might work.

Otherwise maybe a custom Feild that they can each toggle on and off manually.