Install Proxmox VE on Debian Buster - Proxmox VE
pve.proxmox.com › wiki › Install_Proxmox_VE_onInstall Proxmox VE packages. Install the Proxmox VE packages apt install proxmox-ve postfix open-iscsi Configure packages which require user input on installation according to your needs (e.g. Samba asking about WINS/DHCP support). If you have a mail server in your network, you should configure postfix as a satellite system, your existing mail server will then be the relay host which will route the emails sent by the Proxmox server to their final recipient.