[ale] restricting web input

[millia at panix.com (David W. Millians)]

Mike Harrison wrote:
> I liked the idea of asking for the e-mail address on another page.
> Simple, effective.

It is good. Unfortunately, what you discover is that about... 5%, I'd 
say, of your users don't know what their email address is!

As they say, when you make something idiot-proof, you're actually making 
better idiots.

Part of this is sometimes email addresses change behind the scenes- 
Gwinnett County schools have so many accounts that they are going to 
first_middle_last@ to get unique names, and even that doesn't work all 
the time, I hear.