Scheduled Maintenance: We are aware of an issue with Google, AOL, and Yahoo services as email providers which are blocking new registrations. We are trying to fix the issue and we have several internal and external support tickets in process to resolve the issue. Please see: viewtopic.php?t=158230
The showmount command requires the portmap program to run on the requested host, and it tries to connect to the UDP port 111. If the portmapper isn't running, or the port number 111 is firewalled out, you'll get this message.