The value for configuration setting 'RestrictRemoteClients' on server '{0}' isn't correctly configured. Changing this value ...

The value for configuration setting 'RestrictRemoteClients' on server '{0}' isn't correctly configured. Changing this value can cause mail flow problems. Current value: '{1}'. Click on the link 'get help fixing this issue' in the actions pane located on the right side of the screen for assistance.