Proxmox Mail Gateway 5.1 available
See https://forum.proxmox.com/threads/proxmox-mail-gateway-5-1-available.47798/
9th Oct 2018
Proxmox VE 5.2 release
See https://forum.proxmox.com/threads/proxmox-ve-5-2-released.43752/
16th May 2018
Proxmox Mail Gateway 5.0 released
See https://forum.proxmox.com/threads/proxmox-mail-gateway-5-0-released.40745/
23rd Jan 2018
Proxmox Mail Gateway 5.0 beta released
See https://forum.proxmox.com/threads/proxmox-mail-gateway-5-0-beta-released.38796/
19th Dec 2017