Zimbra without Proxy (pre 8.5) That’s the easy way how you can enforce https encrpytion by redirecting http to https: su – zimbra zmtlsctl redirect zmcontrol stop zmcontrol start Works at least on Zimbra 8.0 and I think should also work on 7 Zimbra with Proxy (required from 8.5+) With Zimbra 8.5+, a Proxy is … Continue reading Zimbra: Redirect http to https