Proxmox, a company known for developing the distribution for deploying virtual server infrastructures, the release of the distribution . Proxmox Mail Gateway is presented as a ready-made solution for quickly creating a mail traffic control system and protecting the internal mail server.
Installable ISO image for free download. Distribution-specific components under the AGPLv3 license. For installing updates, both a paid Enterprise repository and , which differ in the level of update stabilization. The system part of the distribution is based on the Debian 10 (Buster) package base and the Linux 5 kernel. installation of Proxmox Mail Gateway components on already running Debian 10 servers.
Proxmox Mail Gateway operates as a proxy server acting as a gateway between the external network and the internal mail server based on MS Exchange, Lotus Domino, or Postfix. It provides the ability to manage all incoming and outgoing email traffic. All email logs are analyzed and can be accessed through a web interface. Both graphs for assessing overall dynamics and various reports and forms for information on specific emails and delivery status are provided. Cluster configurations are supported to ensure high availability (maintaining a synchronized backup server, with data synchronized via SSH tunnel) or load balancing.
A full set of tools is provided to ensure protection, spam filtering, phishing, and viruses. To block malicious attachments, ClamAV and the Google Safe Browsing database are used, and for spam, a comprehensive set of measures based on SpamAssassin is offered, including support for sender verification, SPF, DNSBL, greylisting, Bayesian classification, and blocking using a spammer URI database.
For legitimate correspondence, a flexible filter system allows setting processing rules based on domain, recipient/sender, time of receipt, and content type. It is possible to manage all incoming and outgoing email traffic. All correspondence logs are analyzed and available for review through the web interface. Both graphs for assessing overall dynamics and various reports and forms for obtaining information on specific emails and delivery statuses are provided.
Key :
- The transition has been made to the Debian 10.0 "Buster" base system. The Linux kernel has been updated to version 5.0 based on packages from Ubuntu 19.04 with ZFS support;
- Spam filtering rules for SpamAssassin have been updated;
- The mail filter now includes saving logs of triggered spam filtering rules;
- System logs are displayed faster in the web interface by using mini-journalreader instead of journalctl;
- The ClamAV antivirus package has been updated to version with from non-recursive ;
- A PostgreSQL 11 database is used to store the rules;
- The OpenSSL package has been updated to version 1.1.1c with support for TLS 1.3.
Source: opennet.ru
