Proxmox Mail Gateway

Name: Proxmox Mail Gateway
Brand: Proxmox Mail Gateway
Availability: InStock

Email Security

Open Source

Free Tier

Enterprise

Self-hosted

OpenMSP Score

Reddit Impact Score

Alternative Vendors

Commercial Alternatives

Mimecast Email Security

Proofpoint Essentials

Barracuda Networks Email Security Gateway

Proxmox Mail Gateway is a leading open-source email security solution available under GNU AGPLv3 license. Built on proven technologies including ClamAV antivirus engine and SpamAssassin, it protects against spam, viruses, phishing, and trojans. The solution can handle millions of emails per day with support for unlimited domains and multiple internal mail servers. Key features include an innovative Message Tracking Center, high availability clustering, and flexible deployment options (virtual appliance, bare metal, container). While completely free to use, enterprise subscriptions provide professional support, stable updates, and security enhancements.

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Key Features

Comprehensive Email Security

Full-featured mail proxy protecting against spam, viruses, Trojans, phishing, and malware using ClamAV antivirus engine and SpamAssassin

Message Tracking Center

Innovative web-based tracking system that summarizes all logs and provides fast, powerful analysis of email flow for over a million emails per day

High Availability Clustering

Unique application-level clustering scheme providing excellent performance with automatic node reintegration after failures

Flexible Deployment Options

Can be deployed as virtual appliance, bare metal, or container with support for unlimited domains and multiple internal mail servers

Pros and Cons

Pros

Open Source and Cost-Effective

Completely free open source solution under AGPLv3 license, reducing email security costs significantly

Easy Deployment and Management

Simple installation in minutes with user-friendly web-based management interface requiring no deep Linux knowledge

High Performance and Scalability

Can handle millions of emails per day with support for unlimited domains and multiple mail servers

Cons

Limited Commercial Support

Community support for free version may be limited compared to commercial email security solutions

Linux-Only Platform

Requires Linux infrastructure, which may not be suitable for organizations with Windows-centric environments

Advanced Features in Paid Version

Some enterprise features and stable updates require paid subscription, limiting capabilities of free version