Organization administrators can configure who is allowed to use wildcard mentions that affect a large number of users. In particular, an organization can restrict who is allowed to use @all (and, equivalently, @everyone and @channel) in channels with more than 15 subscribers, and @topic in topics with more than 15 participants. | This permission can be granted to any combination of roles, groups, and individual users. | Your feedback helps us make Zulip better for everyone! Please contact us ...
