Agree that part time staff was odd to include here. I have no idea if you are part time. I don’t keep track of other people’s schedules. I would find it helpful to know you aren’t available the rest of the day in case I need something sooner.
She continues: “However, there should be a way for whoever is emailing you to have an urgent request handled, and that should be included as part of your OOO as well as being known to your work team (supervisor and colleagues). That might look like including a coworker's email on your OOO or it might simply involve setting a forwarding rule for while you're away, so that your email goes to the colleague who's covering.”

It doesn’t work when a group text is sent, is their a workaround for that situation?
I have a confession to make: I haven't recorded a new voicemail greeting in nearly a decade. Since then, I've (hopefully) become more articulate, poised, and self-assured. But hear my voicemail recording, and you'd think I was still new to the work world, a little unsure of myself — and probably not an authority.