In order to set your user-controlled preferences, you must first create an account on Calvin's Spam Firewall.
1. Go to http://www.calvin.edu/spamfirewall. Your username will be your complete e-mail address.
2. Your new account information will be e-mailed to you.
3. When you open the e-mail, you'll be given your Spam Firewall password and provided a link to take you directly into your account. Click the link to access your personal settings.
4. You have now successfully created an account on Calvin's Spam Firewall.