[support] Users without email addresses?

[J-P Stacey]

> Yeah, that sounds like it should work - <student-id>@foo.com

If I were a hacker, I'd sit at foo.com or nowhere.com, and wait for the 
emails to come rolling in.

For fake emails, always use @example.com:

	http://www.rfc-editor.org/rfc/rfc2606.txt

To keep student emails properly fake, you could also create a stub 
module with hook_form_alter to add a validate method to the user-edit 
forms. That could check that the user was either (a) a teacher or (b) 
their email was of the format firstname.lastname at example.com .

J-P