I've got CentOS box running ISPC3. It works quiet well for me, and i got plan but i'm not sure if it will work as i wish, so i have questions. Can i add secondary ISPC3 server (different computer) so they will communicate with each other? I would like to use the secondary one, as: - Backup MX (Postfix/ will ISPC3 support that? Will it import emails/domains from the first server to accept only correct emails?) - Secondary DNS (Named/ will it import zones/domains from the first ISPC3 automatically after inital config?). I would like to achieve situation, where secondary ISPC3 server know, that he is used for backup mx/secondary dns and import what it needs by himself every time data is changed on the first one.