At University of Macau around 50k emails are scanned per day on average with Proxmox Mail Gateway. It is used internally for scanning outbound emails: All outgoing emails are first routed to Proxmox Mail Gateway, where they are checked and either relayed or blocked.

The Austrian college HTL Leonding uses Proxmox Virtual Environment to teach computer networking. About 450 students in 18 classes use the Proxmox VE cluster for their network technology exercises.

The french Odéon-Théâtre wanted to simplify its server infrastructure and improve efficiency and scalability, while saving time on data center management.

"The Proxmox software allowed our datacenter for fast and stable development."

“Prior to switching to Proxmox VE, we were using VMware ESXi hypervisor to some extent. However, we opted for Proxmox VE because among other things, we support open-source initiatives. Proxmox VE works phenomenally and can handle even our most demanding requirements.”

"IGNUM is one of the most respected Czech domain registrars and server hosting providers."

“Proxmox VE is the best way to simplify your IT infrastructure and/or provide cloud.”

“We could significantly reduce our working hours. Proxmox VE virtualization provides high flexibility to all of our developers and engineers during development and testing. We currently instantiate many VMs to run a lot of tests to check new software functionalities, to support our customers, or to give access to a sandbox VM to test a new product...”

Egmont Højskolen is an inclusive folk high school in Denmark with about 120 employees and 220 students. To manage multiple servers and to provide service for IT equipment like PCs, laptops, tablets, and mobile phones to its staff and students, the school moved from XenServer to Proxmox VE to simplify the IT infrastructure.

"By using Proxmox VE we are able to provide an enterprise-grade high availability database to all public health facilities in Brazil."

"A mixture of hypervisors (Citrix XEN, KVM), bare-metal servers, and distributed storage was in use. A major goal was to replace the existing server landscape with modern, centralized, and flexible server and storage systems."

"As a professional web service provider, StorageBase offers its customers powerful KVM vServers based on Proxmox VE in conjunction with the First Colo data center..."

"Our two redundant storage sites in Salzburg and Vienna are 300 km (186 miles) apart and we needed a solution for VM migration and to manage the hardware in a single cluster. With the ZFS-based Proxmox VE storage replication framework we can now manage our hardware at both sites in a single cluster..."

“On our antarctic research station the  virtualization of several scientific instruments & station control systems increased redundancy and fail-over, and resulted in significant power reductions. The key to success was the integration of Proxmox VE & Ceph storage on a single physical server chassis...”

"Through Proxmox VE, hardware maintenance and upgrade is easy and straightforward with effortless migration, avoiding down-time on any of our customers services.”

“Proxmox VE gives us the tools to manage our dynamic infrastructure easily. We can handle multi tenancy PoC infrastructures..."

"Our cluster storage runs on Ceph which helped us to gain extremly great performance..."

"We use a Proxmox VE cluster for our business-critical systems running at our six global locations. It helps us to gain efficient resource utilization combined with high availability and security for our diverse system and service landscape. With the professional Proxmox support service we even have more security for our production systems..."

"Exa Networks uses Proxmox VE to manage its KVM and Ceph infrastructure which is used to power some of our customer facing services, ..."

"Proxmox VE has made it very easy for us to manage our production environments (consistent backups, migration, disaster recovery, firewalling) all with reduced investments in infrastructure."