How to Redirect HTTP to HTTPS Zimbra 8 Web Client Sign in.

Login to Zimbra Mail Server.

#su zimbra
zimbra@mail:/root$ zmtlsctl redirect
zimbra@mail:/root$ zmcontrol restart


Checking Mode
zimbra@mail:/root$ zmprov gs `zmhostname` | grep MailMode
zimbraMailMode: redirect
zimbra@mail:/root$


More info:  https://wiki.zimbra.com/wiki/CLI_zmtlsctl_to_set_Web_Server_Mode

Thanks.