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.
Most operating systems, including Microsoft Windows versions, use the hosts file to translate computer names. Also known as âhost namesâ to numerical IP addresses, the hosts file is similar to using a phone book to find the matching phone number of a specific personâs name. Note: This article was written at the time when Windows 10 was at Technical Preview build phase.