We are excited to announce the release of Proxmox Mail Gateway 9.1! This release is based on Debian 13.5 "Trixie" and ships the Linux kernel 7.0 as the new stable default. It includes the latest versions of ZFS 2.4, PostgreSQL 17, SpamAssassin 4.0.2 (with updated rulesets), and ClamAV 1.4.4...