[kqr]

And what I'm saying is that either the system relies on functioning email addresses, in which case they need to be ensured to work anyway. ...or the system does not rely on working email addresses, in which case drop the pretense, make it an optional field and peoples' days will suck less.

Besides the practical issues mentioned, it's this no-brained "why the heck not" collection of personal data I'm turning against. Either you need the stuff and then you have to work for it, or you dont and then you have nothibg to do with it.