Proxmox is well-known for providing robust open-source solutions for virtualization, backup, and security. Among these, Proxmox Backup Server and Proxmox Mail Gateway stand out for their reliability and functionality. This post will dive deep into the Proxmox Backup Server and Mail Gateway ISO releases from 2021 to 2024, covering version updates, new features, and improvements.
1. Proxmox Backup Server Overview
Proxmox Backup Server (PBS) is an enterprise-class backup solution designed for backing up virtual machines (VMs), containers, and physical hosts. It is specifically optimized for use with Proxmox VE (Virtual Environment), allowing you to back up your infrastructure efficiently.
Version Release Overview:
- Proxmox Backup Server 1.1-1
Released: 15-Apr-2021
Size: 710 MB
This was one of the earlier releases, providing reliable backup functionality for small to medium-sized environments. Key features included incremental backups and deduplication. - Proxmox Backup Server 2.4-1
Released: 29-Mar-2023
Size: 861 MB
With this version, Proxmox introduced improved backup and restore performance, along with enhanced storage integration features. - Proxmox Backup Server 3.1-1
Released: 30-Nov-2023
Size: 1010 MB
The 3.x series brought critical upgrades, including a more sophisticated UI, better multi-datacenter support, and integration with newer storage backends like Ceph and ZFS. - Proxmox Backup Server 3.2-1
Released: 25-Apr-2024
Size: 1146 MB
This release expanded support for more cloud storage options and included major security enhancements to safeguard your data backups against cyber threats.
2. Proxmox Mail Gateway Overview
Proxmox Mail Gateway (PMG) is an enterprise email security solution that protects your mail servers against threats like spam, viruses, and phishing attacks. PMG acts as a filtering gateway, ensuring safe communication for organizations of all sizes.
Version Release Overview:
- Proxmox Mail Gateway 5.2-1
Released: 26-Mar-2019
Size: 792 MB
This version introduced initial support for rule-based email filtering and virus scanning, making PMG one of the most trusted email security solutions for enterprises. - Proxmox Mail Gateway 6.4-1
Released: 30-Mar-2021
Size: 1024 MB
With a refined interface and enhanced virus detection algorithms, PMG 6.4 became a popular choice among IT professionals who needed simple, effective email filtering. - Proxmox Mail Gateway 7.3-1
Released: 28-Mar-2023
Size: 1139 MB
The 7.3 version incorporated AI-based spam detection and a more streamlined user interface to handle large volumes of email more effectively. - Proxmox Mail Gateway 8.1-1
Released: 29-Feb-2024
Size: 1340 MB
This major update introduced advanced threat intelligence integration, improved performance for handling encrypted emails, and better support for multi-domain environments.
3. Proxmox Virtual Environment ISO Releases
Proxmox VE (Virtual Environment) is the core platform for running virtual machines and containers. It provides an easy-to-use web interface to manage VMs and is closely integrated with both Proxmox Backup Server and Proxmox Mail Gateway.
Version Release Overview:
- Proxmox VE 3.4-102d4547-6
Released: 27-May-2015
Size: 680 MB
This early release laid the groundwork for Proxmox VE’s success, offering fundamental VM management and live migration capabilities. - Proxmox VE 7.4-1
Released: 23-Mar-2023
Size: 1122 MB
Proxmox VE 7.4 featured optimized performance for large clusters, better compatibility with modern hardware, and expanded integration with Proxmox Backup Server. - Proxmox VE 8.1-2
Released: 07-Feb-2024
Size: 1289 MB
This release came with substantial improvements in security, storage, and networking features, making it one of the most scalable solutions for complex virtual environments. - Proxmox VE 8.2-2
Released: 22-Aug-2024
Size: 1396 MB
The 8.2 version further enhanced multi-cloud capabilities, improved Ceph storage integration, and added automated backup solutions directly into the platform.
4. Why Upgrade?
Upgrading to the latest versions of Proxmox Backup Server, Proxmox Mail Gateway, and Proxmox VE is highly recommended for users who want the most secure, scalable, and feature-rich environment. Here’s why:
- Enhanced Performance: New releases focus on optimizing the speed and efficiency of backups and VM operations.
- Advanced Security: With cyber threats evolving, the latest releases include critical security patches and new encryption options.
- Better UI and Integration: Proxmox has continuously improved its user interface, making it easier to manage complex infrastructures.
proxmox-backup-server_1.1-1.iso 15-Apr-2021 07:50 710651904 proxmox-backup-server_2.4-1.iso 29-Mar-2023 11:00 861995008 proxmox-backup-server_3.1-1.iso 30-Nov-2023 11:30 1010870272 proxmox-backup-server_3.2-1.iso 25-Apr-2024 13:00 1146126336 proxmox-mail-gateway_8.1-1.iso 29-Feb-2024 10:00 1340823552 proxmox-mailgateway_5.2-1.iso 26-Mar-2019 09:43 792434688 proxmox-mailgateway_6.4-1.iso 30-Mar-2021 07:29 1024268288 proxmox-mailgateway_7.3-1.iso 28-Mar-2023 11:00 1139914752 proxmox-ve_3.4-102d4547-6.iso 27-May-2015 05:47 680990720 proxmox-ve_4.4-eb2d6f1e-2.iso 15-Dec-2016 09:22 547141632 proxmox-ve_5.4-1.iso 11-Apr-2019 08:25 687079424 proxmox-ve_6.4-1.iso 28-Apr-2021 06:47 928993280 proxmox-ve_7.4-1.iso 23-Mar-2023 09:00 1122861056 proxmox-ve_8.1-2.iso 07-Feb-2024 13:00 1289736192 proxmox-ve_8.2-2.iso 22-Aug-2024 08:00 1396899840
5. Conclusion
Proxmox continues to innovate with each new release, offering enterprises the tools they need for reliable backups, secure email communication, and robust virtualization environments. Whether you’re using Proxmox Backup Server, Proxmox Mail Gateway, or Proxmox VE, staying up-to-date with the latest versions will ensure you get the best performance and security features available.
For IT professionals and sysadmins, keeping an eye on Proxmox’s release cycle can make all the difference in maintaining an efficient and secure infrastructure. Upgrade today to experience the full potential of Proxmox’s latest solutions!
For more details on how to install or upgrade Proxmox solutions, check out the official Proxmox documentation.