Spam origin experiment - [Article]

T Rob shares the story, and a couple of tricks, of his experiment to control spam mail:

The problem with spam is you can’t really tell where it comes from.  If you have an email address that you never use, you probably don’t get too much spam there.  But if you use the same email address for everything, it gradually gets more and more spam until you are forced to abandon it.  That suggests that the address leaks out with some specific activities online, but which ones?