This server ( is SSL-enabled, and portions of the site force you to use SSL (in particular, webmail and the gang directory).

"Real" certificates are expensive, and I can't justify $300/year for this website, so I have my own certificate authority. You can often just click on the link and follow the instructions to import the CA certificate into youur browser, but with modern versions of Internet Explorer you have to save the certificate to disk first, and then open it from there. However, there's also another way.

These pages contain instructions and screenshots for downloading and installing the CA certificate:

Some instructions for setting up email client software to access a mailbox using SSL: