I like that it's intuitive, so when my son learned how to use it we were up and running in minutes! We are using it for his school as well.
My favorite is creating rules with different options such as "if e-mail has attachment then move into folder." It also includes other features like reminders (which can be customized) and auto responders. You need an account but there was no cost for us, which was nice.
If you have multiple computers or devices, this software will allow others to access…