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Proxmox Mail Gateway is an open-source email security platform based on Debian GNU/Linux. It protects your mail server from spam, viruses, trojans and phishing emails. The full featured mail proxy is deployed between the firewall and the internal mail server and allows to control all incoming and outgoing email traffic from a single platform with a central web-based management interface. Proxmox Mail Gateway is open-source software, licensed under the GNU AGPL, v3.

The project is developed and maintained by Proxmox Server Solutions GmbH.

For an overview of the Proxmox Mail Gateway key features see the Proxmox website.


Download the latest ISO image files.

Alternate download:


The installation medium (CD or USB) is a complete operating system, including everything you need to install and run Proxmox Mail Gateway in only a few minutes. It can be installed bare-metal on dedicated hardware or in a virtual machine on all leading virtualization platforms. You can also install it on top of an existing Debian installation.

See the Installation of Proxmox Mail Gateway chapter in the reference documentation for details.

For basic setup guidance and some helpful tips see Getting started with Proxmox Mail Gateway.

Upgrading Proxmox Mail Gateway

System software updates are downloaded from the Package Repositories and should be applied frequently to receive the most recent bug/security fixes and to obtain the newest features.

You can also upgrade existing Proxmox Mail Gateway installations to the next major release:


The Proxmox Mail Gateway documentation is freely available in different formats such as HTML, PDF or EPUB, see Proxmox Mail Gateway Reference Documentation. You can also access the documentation via the management interface of your Proxmox Mail Gateway installation by clicking on the contextual help buttons.

The developer documentation explains how to get involved in the development process of the Proxmox Mail Gateway, see Developer Documentation

Release History and Roadmap

Take a look on the Roadmap for existing and upcoming features.