Proxmox has released its Mail Gateway 7.1. The open source software filters incoming and outgoing e-mails between the Internet connection – usually a firewall – and the actual mail server. The proxy is intended to protect the IT infrastructure and users from spam, viruses, Trojans and phishing. The underlying Linux distribution – currently Debian Bullseye 11.1 – is updated regularly.
The new version brings laut Proxmox Among other things, improvements to the web interface: If you use it to configure LDAP backends, you can now make changes without having to enter your password again. Multi-factor authentication can be set up for access to an account via the graphical user interface; as secondary factors, WebAuthn, one-time recovery key and time-based one-time password (TOTP) are available.
Installation as if by magic
Proxmox Mail Gateway is available under the free software license GNU Affero GPL v3 and can be installed on a dedicated computer or a virtual machine. the ISO file available for download contains an installation wizard, which should make manual configuration superfluous. The software can also run as an LXC appliance in the Proxmox Virtual Environment.
In addition to the free software, Proxmox offers corporate customers a support subscription from 139 euros per host per year for unlimited mailboxes and domains. It includes regular updates and technical support.