Proxmox Mail Gateway 9.1: What's New with Quarantine and Backup Encryption
Proxmox Mail Gateway 9.1: Key Changes to Quarantine and Backup Encryption Proxmox Mail Gateway 9.1 became the latest stable release in June 2026, bringing two notable improvements: a revised quarantine interface and integrated backup encryption. For anyone running a self-hosted mail infrastructure, these changes directly affect how you manage quarantined messages and protect backup data. The update is available through the standard repository, and upgrading from version 8.x or 9.0 is straightforward, though the changelog notes a few compatibility points worth reviewing. ...