To activate an out of office note in the Control Panel for the duration of your absence, log on to the Control Panel at https://cp.hornetsecurity.com/login as a user with your email address:
Then open the user settings via the gear symbol in the upper right corner.
In the "Out of Office Note" tab you can then configure your out of office note.
As soon as the checkbox for the Out of Office Note is activated and saved, the Out of Office Note is sent to the mail sender as automatic email reply. All incoming messages will be answered with the message you have created while activating this rule.