Noun. 1. achromatic color-a color lacking hue; white or grey or black. achromatic colour. color, coloring, colouring, colour-a visual attribute of things that results from the light they emit or transmit or reflect; a white color is made up of many different wavelengths of light.
A good candidate for a mail host is a system that connects your systems to the outside world or to a parent domain. 1  Become superuser on the mail host system. 2  Verify the host name configuration. 3  Update. Create an entry for the new mail host in the appropriate hosts file.  Change the correct configuration 1  file. Restart and test your mail configuration.
When you modify the DNS name, the NetBIOS name is also updated. The NetBIOS name is the OEM representation of the DNS host name up to MAX_COMPUTERNAME_LENGTH characters. If you set a DNS host name of more than MAX_COMPUTERNAME_LENGTH characters, the NetBIOS name is set to a truncated version of the DNS host name.