I'll Be Back to You in a Couple of Days.

Not everyone has the same mental capacity to always be in work mode. For me, you will get a reply when i get to your emal - especially if it's not at all urgent. Sending a passive aggressive follow up is not needed. Or you can use your auto de if you have an aught you now and out of office. If yu'r going away for a day or two, just to go, ye, i'm in an all day training. Pardon youe slack the messaging. There is o pressure, specially for our generation.