Configure Proxmox 5.2 mail notifications using a relay mail account

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Proxmox is a good solution for small  bussines, you will get an hypervisor with scheduled backups. In some costumers we found problems receiving backup notifications, because isp network is blacklisted, proxmox server domain name is not well configured, trafict through port 25 is filtered and hundreds of small problems In this cases the faster solution […]