I agree. I've worked at a number of big name tech companies and smaller companies, and I always unplug from work email when I'm on vacation. It's not an issue,

I agree. I've worked at a number of big name tech companies and smaller companies, and I always unplug from work email when I'm on vacation. It's not an issue, you just have to do it. If it is an issue where you work, I encourge you to look for a new job. It's not universal.