That would drive me mad. I’m okay with in meetings all day but if you’re just going home at a normal time that’s ridiculous!
In conclusion, an eager customer trying his or her best to reach out to you is the last person you want to disappoint. Make their day special with an unexpected or quirky autoresponder email that your customers wouldn’t have thought they’d see in their inbox in a million years.

If your email client allows it, you could always just use an image to express your out-office sentiment, like this one. After all, they say that a picture is worth a thousand words — and visual content is still essential to successful marketing.
But perhaps we have it all wrong, and are simply enslaving ourselves further to technology by toiling over OOOs that are personality-packed, marketing-friendly perfection. Maybe we need to be altogether more standoffish if we want to make our OOOs really work for us? NYU Professor Meredith Broussard, who’s the author of Artificial Unintelligence: How Computers Misunderstand the World, takes the inspiration for her OOO from US writer, poet and children’s author E.B. White, who once turned down an invitation from President Eisenhower with the words “I must decline, for secret reasons”. Accordingly, Broussard’s OOO reads simply: “I am out of the office, for secret reasons.”