ユーザー全員にデフォルトのグループタグを付与する（例：users）

[Daan_Seegers (Daan)]

You can increase it to 2000000000

Allow groups to be mentioned and sent messages

Out-of-the-box nobody can send messages to groups or trigger mention notifications. To change this, you can go to the Manage tab of a group’s page and select the “Interaction” section from the left navigation sidebar. Find the settings labeled “Who can @mention this group?” and “Who can message this group?” [39%20PM] Additionally you may adjust the group’s visibility settings. Mentioning groups When users perform “autocomplete” using the @ key, all visible groups will show up. This means t…