Proxmox Mail Gateway as Relay for Outgoing Email, trials and tribulations.
This is a published draft: The Proxmox Mail Gateway (PMG) is a nice appliance, however, one has to wonder how much time is spent by the developers perfecting it. The people that do the mail gateway also do the virtualization server. The purpose is kind of neat. If you just want to set up a basic email server without all the bells and whistles, such as greylisting, clamav, spam assassin, etc, you do that and then use this virtual appliance to handle all of that. So, the PMG handles incoming emails and checks them for the nasties, such as spam, blacklists, whitelists, etc. and when the email passes all the checks it forwards the email itself to the actual email server. To do this you install the PMG and set…