Yeah, announcing you were going to delete emails unread and expecting the sender to resend when you return would NEVER fly in my office. I’d get executive complaints about that, especially if it went to a client or outside party – if a client can’t reach you, they will reach out to someone else who may not work at your organization and you lose business. I feel like this delete-it-all philosophy would only work for an entirely internal role where timelines are more relaxed, and even then, I feel it’s a bit unprofessional to foist your own catch-up work onto others, especially if they’ve been backfilling for you while you were OOO.
Notice of Office Closure for Holiday for Whole Day/ Early Closing It is always advisable that the notice of any holiday, when the office will remain closed, should be given well in advance - so that no employee is put to inconvenience of coming to the office on a day when it is closed.

I also kinda want to sit here with popcorn and read all the shenanigans that are about to roll in.
Optionally, if you want eDesk to send the auto-response at a random time, you can also configure the maximum delay field. In this case, if you set a minimum delay of 1 and a maximum delay of 4, then eDesk will auto-respond with this template between 1 and 4 minutes after it received the message.