You’ll have options to set a “first day” and “last day,” or just “first day.” If you want things truly automated, picking a “last day” will trigger the autoresponder to automatically turn itself off the day after the selected date. Of course, in those instances when you’re unsure of your exact return date, it’s best to leave this open-ended. The “out of office” subject line is much less creative and scientific than say, a cold email subject line or a marketing email subject line. More often than not, they’re very plain and simple, like the following:
Top www.codetwo.com https://www.codetwo.com/blog/11-professional-out-of-office-examples/ · If you can and do – include this information in your out of office message. This will give your out of office message a professional vibe. But if you are not going to look at emails when you are gone – do not give others any false hope. The reason for absence – now this one is tricky. You should include the reason for your absence (vacation/ business travel), but you should avoid being specific.

Each time McClure makes an appearance in these out-of-office messages, he "speaks" on behalf of my colleague and alludes to the previous auto-responses in which he starred. It's a mild form of self-deprecating humor — as if to say, "I know, I'm out of the office again" — made only funnier by the made-up teaser title included in the last line.
Since holidays occur throughout the year, there is no one ideal time to send a message. For the winter holidays, we recommending sending your well wishes early in December. In general, if you can send your message before people get busy with the holiday, then it will have a larger impact.