是否可以向特定类别中的每个新主题的所有用户发送电子邮件？

[merefield (Robert)]

(Obsolete) Set category tracking level defaults historically

Following the release of Discourse v2.4.0.beta7 (or if you have this commit), admins now have the option to set the category tracking levels of all existing users when setting the default category tracking levels in their site settings: Add a category to one of the following site settings, then select the green checkbox button. [10%20PM] A modal window will pop up with the following options: [10%20PM] The old way using the console