Per the other site, and my own verification, the 00:1A:78 MAC prefix now works.
All STB Emu users and KODI users are requested to change their linked MAC on their donation from the 79 to 78, so that interference with MAG and AVoV MACs will be minimized. You will also need to change the MAC on your apps as well, or you will get an authorization error.
It has been verified by a member that 79 will not work with STB Emu.
"WARNING: If you are using an STB emulator for IPTV then you should use a MAC Address under the following range 00:1A:78:XX:XX:XX (replace XX by hexadecimal digits), or your MAC Address may be modified without any previous notice. "