When you know when you are moving send ONE email.

I will be moving XXXXX. If you want anything from here you will need to get it before that.

NOT ANOTHER WORD. It is not your problem, but letting him have a chance to collect the stuff is the polite thing to do, and we don't want to sink to his level!

(((((beepee)))))

Now try to go at least two posts in a row without mentioning "he who must not be named"!