Hi,
I'm a total newbie to zimbra, I'm supposed to Casify web-portal to connect to zimbra, so I have two simple questions :
1) Is there a way to retrieve the preAuthKey without changing anything on the server? I have root access to the server but I'm not supposed to ruin it as it works yet...

2) When I try to connect Zimbra with phpCAS proxy mode, I get an "error 500", googling results make me think I'm sending bad request, something is missing, maybe auths keys, so I'd like to know where I can find logs with exacts content of requests?
Thanks.