Proxmox Mail Gateway 9.1 is out with Debian 13.5, kernel 7.0, SpamAssassin 4.0.2, ClamAV 1.4.4, quarantine updates, and mail-flow hardening.
Current PMG upgrade hub This is the current Fix I.T. Phill PMG upgrade hub. Use it with the official Proxmox Mail Gateway docs, and verify inbound/outbound mail flow, queues, spam scoring, TLS, quarantine, and DNS
2026 Ubuntu/Postfix relay update Ubuntu 22.04 is still a valid LTS base, but new builds should also evaluate newer Ubuntu LTS releases. Keep this Postfix relay guide focused on PMG mail flow: relayhost, TLS, allowed
2026 PMG relay update This tutorial stays focused on Windows Server mail relay through Proxmox Mail Gateway. For current PMG stacks, confirm relay allowlists, TLS, connector/auth behavior, message tracking, and DNS records before putting production
2026 Proxmox Mail Gateway update For current deployments, pair this original PMG setup walkthrough with Proxmox Mail Gateway 9.x planning: verify DNS, TLS, relay permissions, spam policy, quarantine behavior, and queue flow before changing MX
