Summary #

You need to install the K12USA Root CA certificate to use the Mail program for Macintosh OS X.

More Information #

1. Click here to download the K12USA Root CA Certificate from our servers.
2. Double-click on the Certificate.
   In the box that appears, select X509 Anchors from the Keychain list.
   Click the OK button.

   

3. View the attributes of the keychain after it has been installed, and make sure that the Always Trust option is chosen in the drop-down.

   

4. This is how the account information should look for a k12usa POP3 access account in the Mail program.

   

5. This is how the Server settings should look.

   

6. This is how the advanced settings should look.

   

Once this is done, the security warnings that happen when you connect to the POP3 & SMTP servers over SSL will go away.