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An updated version of the Proxmox Mail Gateway has been made available for download. This version is based on Debian GNU/Linux 12.5, Kernel 6.5, and ZFS 2.2.2.

Proxmox Mail Gateway 8.1 available

Proxmox Mail Gateway 8.1 is available! The new version of our email security solution is based on Debian 12.5, uses the newer Linux kernel 6.5, as well as ZFS 2.2.2. The latest major version of Apache SpamAssassin 4.0.0 and PostgreSQL 15.6 are included.

We have enhanced the object-oriented rule system and added a "match-if" mode providing more flexible control. Countless bugfixes and other smaller improvements are included as well, see the full release notes.

Thank you for supporting the Proxmox Mail Gateway project! Your contributions and feedback, tests, bug reports and patch submits are always welcome!

Release notes

Press release

Alternate ISO download:



Community Forum


Source code

Q: Can I upgrade an 8.0 installation to the stable 8.1 via apt?
A: Yes, upgrading from is possible via apt and GUI.

Q: Can I upgrade Proxmox Mail Gateway 7 to 8?
A: Please follow the upgrade instructions on

Q: Can I install Proxmox Mail Gateway on top of Debian Bookworm?
A: Yes, see

Q: Can I install Proxmox Mail Gateway as a virtual machine on Proxmox Virtual Environment, VMware, or Hyper-V ?
A: Yes, just do the ISO install. If you install on Hyper-V as a generation 2 virtual machine, configure secure boot to use "Microsoft UEFI Certificate Authority"

Q: Can I install Proxmox Mail Gateway as LXC container on Proxmox Virtual Environment?
A: Yes, just download the template via the integrated template downloader.


Proxmox Mail Gateway 8.1 available