By using the authenticated mail server, you can submit electronic mail from your laptop or other sites anywhere on the internet. Mail will be accepted for relay to any site, so long as you are authenticated using your Computer Science user name and password.
How Do I Use The Authenticated SMTP Server?
If prompted, use these settings:
Server: sabe.cs.wisc.edu
Port: 587
Connection Security: STARTTLS
Authentication Method: Normal Password (also called 'plain')
Username: your cs username