Microsoft Exchange Manager -> Toolbox -> Public Folder Management Console

Default public folders -> Find the mailbox you wish to change -> Right click, click “manage settings”.

Add yourself as a user, give highest permission “Owner”. Once done click next.

Once done above step, head over to outlook, find the public folder you wish to change and have permissions for -> Right click properties -> Click “Folder Assistant”

In our scenario we want to automate a templated response to all incoming emailees. So we highlight “all messages” -> Edit Rule -> Template. Here we add our automated response -> SAVE.