Kyocera – SMB Error 2101Posted: March 30, 2011
Error 2101 States:
The network cable is disconnected or the hub that it is connected to is not operating properly. Check the cable and the hub. Otherwise, the server name or the host name of the SMTP server is not set correctly. Use COMMAND CENTER and register the SMTP server name and the host name correctly.
Make sure you have a correct DNS Server address inputed
No DNS then you have to resolve the SMTP Server address to IP address