jack

Ah, possibly "criteria" is a technical term 8-) What I mean is I can type "crocodile" and it gives me all my mail which mentions crocodiles, so I don't have to remember who I was talking about them with. I don't have to have foreseen that I might want to search for crocodiles in the future. I haven't yet had a mail that I needed to track down that I couldn't find by content. (It doesn't always work first time, but that's typically because I've forgotten who sent it and so folders wouldn't work either...)