First type https://email.nls.k12.la.us/account in the address bar and press enter. When the “Security Alert” is displayed press the “OK” or "Yes" button, depending on the browser being used.

When the “Nexus Mail Administration System for School Clients” page opens please click the link labeled “Install the CA root certificate of Nexus Systems.”

Depending on your browser you may then see a “Security Information” popup appear. When you see this please click on the “Yes” button.

When you get to the page labeled “Install the CA root certificate of Nexus Systems as a Trusted Root Certificate,” you want to RIGHT-click on the link that is labeled “http://www.nexussystems.net/certificate/nexusca.cer”, select Save Target As.. from your dropdown option menu and save it on your desktop (or at any other location on your computer that you prefer). Then double-click the nexusca.cer icon to start the certificate install wizard.

 A window titled Certificate should appear after double clicking the nexusca.cer icon. Find the install certificate button in the lower-right hand area of the window and click it.

The Certificate Import wizard window should pop up. Follow the instructions in the wizard to finish importing the certificate.

The next window is labeled “Certificate Store.” At this screen you leave it checked as “Automatically select the certificate store based on the type of certificate” and press the “Next >” button.

The next popup is labeled “Completing the Certificate Import Wizard.” Here you click on the “Finish” button.

A popup will appear that says “The import was successful.” When you see this popup please press the “OK” button. Depending on the browser and operating system the following message may appear. This message is a security message, click "Yes" to proceed.

The last thing you need to do is press the “OK” button on the “Certificate Information” popup.