CAE has provided email to the College of Engineering students and staff since 1993, years before campus mail was set up for UW students. CAE email is still separate from WiscMail, but it is often forwarded to avoid having to check multiple accounts. Below are links to some helpful articles pertaining to CAE webmail.
email client settings for CAE accounts
Forwarding CAE email
Creating filters for CAE email
CAE Address Book
Avoiding spam