The following sites are email service providers for kids, teachers, and parents. All services include different types of spam control, filtering systems, and adult supervision. Includes a lesson plan and email exercises.
This provider allows adults to separate emails in "good list", "bad list", and "watch list". While "good" and "bad" lists are handled by automatic robot, a "watch list" is sent to a supervisor (parent) account. The service cost $18.00 a year and gives 500MB of cyberspace.
This email provider includes two types of services KidMail v4.0 for younger children and IncrediMail for teenagers. Select the "Quick Tour" link at the top of the page for presentations of these two services. It has Frequently Asked Questions from parents and includes free trial.