Yes, as Matamko is now released as GNU GPL Version 2.0, after purchasing our support, you can continue to use Matamko forever and on as many domains as possible.
With immediate effect from 1st April 2009, the Matamko license is now GNU GPL 2.0
The below is the original text before 1st April 2009
Yes, each license you purchase grants you the rights to use Matamko on 1 domain on a lifetime basis. You can continue to use Matamko on 1 domain even after your subscription expires. However, you cannot continue to download the latest files after your subscription ends.
If you need to install Matamko on more than 1 domain, you will need to purchase separate licenses for each domain.