Who is responsable for this server?

After I tried sending a mail to ecartis@oss.sgi.com for some weeks now 
and got no response I finally sent to postmaster@oss.sgi.com. But even 
this wasn't a valid address.

So please tell me who's responsable for this ecartis server and will 
answer all my mails which were only autoresponded with "The post has 
been forwarded to the list administrator"


Thanks in advance
Jürgen Nagler-Ihlein