The plan B is to send it again when they’re back though. I think there are a lot of situations where I emailed them and someone else from the start and someone else answered, or I found someone else in the 2 months span until they’re back, or did it myself, or it’s too late to help…. So it does help them avoid following up on things that don’t need following up on.
Have you ever had one of those most amazing kind of days; the kind of day that you will remember when you are old and gray and telling your grandchildren stories? Well, I seem to have those days quite often. In fact, if you’re seeing this message, it’s probably because I’m having one of those kinds of days today, and I’m not going to respond to your message.

I don’t know what to say these days – I’m still working from home so “out of the office” doesn’t sound right any more, but ‘off work’ seems like too much? I’m probably way overthinking it but I’ve felt stuck every time I need to write one lately.
I’ll be at a work off-site and will have limited availability by phone and email until ___, please contact ___ for immediate needs about ____ otherwise I will respond as soon as possible”