Zhttps Zmail.ril.com Zimbra Review

: Depending on your connection speed, you can often choose between the Advanced client (full features) or the Standard client (faster for slow connections) during login. Common Tasks & Support

If you're getting an error:

Zimbra works best on modern browsers:

It looks like you're trying to access Zimbra mail at using HTTPS (implied by "zhttps"). zhttps zmail.ril.com zimbra

Here is the long-form article: