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.