Redirect HTTP to HTTPs automatically in Zimbra 8.8 Rumi, November 26, 2021 The most popular out of 5 options for proxy services, is to redirect. To do this, you can run the following as zimbra user: zmprov ms `zmhostname` zimbraReverseProxyMailMode redirect This will redirect your URLs to the zimbra hostname based HTTPs. Now, restart the proxy services: su - zimbra zmproxyctl restart Hope this helps. Src: https://mellowhost.com/blog/how-to-redirect-http-to-https-zimbra-8-8.html Collected Articles Configurations (Linux) zimbraZimbra 8.8