The challenge grows with the organization
Anyone who needs to protect thousands of email accounts across multiple locations, subsidiaries, and countries needs more than just a spam filter. The requirements in large organizations are complex: GDPR and industry-specific compliance regulations must be met, the IT infrastructure has grown and become heterogeneous, and IT teams are under heavy strain.
At the same time, the pressure is mounting: A single successful phishing email can trigger a ransomware infection that paralyzes the entire company. Financial losses, data breaches, and reputational damage loom. Standard solutions quickly reach their limits here, as they are often too inflexible for complex regulatory frameworks and difficult to integrate into existing infrastructures.
A Platform for Enterprise Needs
NoSpamProxy is designed from the ground up for use in large organizations – scalable to well over 100,000 mailboxes, multi-tenant capable, deeply integrable, and consistently focused on digital sovereignty.
Protection against spam, malware, and phishing is always the primary focus. NoSpamProxy Protection operates on a zero-trust approach and is complemented by 32Guards – an AI-powered metadata system that analyzes millions of emails, attachments, and links every day. The focus is not on content, but on patterns, context, and technical characteristics. The system learns collectively across all NoSpamProxy instances; new attack patterns are detected without analyzing sensitive data from individual customers.
This protection is supplemented by automated email encryption, secure sending of large files directly from the email client, centralized management of legally compliant disclaimers, and full SIEM integration via standardized interfaces. NoSpamProxy 25Reports handles DMARC monitoring fully automatically – presented graphically and GDPR-compliant.
hagebau secures its email communications flexibly and securely with NoSpamProxy Cloud as an Enterprise Stack
hagebau IT GmbH secures its email communications with NoSpamProxy Cloud. The solution, which is operated in a private cloud stack, provides secure protection against spam, malware, and phishing for approximately 10,000 mailboxes and ensures flexibility to meet individual requirements.
Multi-tenant Capability for Complex Structures
Corporate groups are heterogeneous: they consist of subsidiaries with their own IT infrastructures and compliance requirements. Government agencies are organized into departments with varying security levels. Managed service providers serve a large number of customers under one roof. In all these scenarios, the same question arises: How can a unified security infrastructure be operated without mixing data, rules, and visibility between the individual units?
NoSpamProxy answers this question with full multi-tenant capability. Each tenant receives a self-contained configuration area with its own set of rules, its own domains, and its own administration interface. Administrators of one tenant have no access to the emails or settings of other tenants – the separation is enforced not only organizationally but also technically. At the same time, the higher-level IT department retains a central overview without having to interfere with the autonomy of individual units.
This reduces administrative overhead and makes it possible to accommodate different security requirements within the same platform.
Control as a Design Principle
“Digital sovereignty” has become a buzzword. At NoSpamProxy, however, it is not a marketing promise, but a fundamental architectural principle. The “IT Security Made in Germany” seal of approval from the TeleTrusT Association certifies independently verified trustworthiness.
In addition, companies decide for themselves whether to run NoSpamProxy in the cloud, on their own servers, or in a hybrid setup. They decide which data is allowed to leave their own data center and which is not. And they retain control over their configuration, their rules, their certificates – and above all, their data – at all times.
For organizations with particularly high requirements, NoSpamProxy Cloud goes one step further with the Enterprise Stack. This consists of a dedicated, fully isolated cloud instance – not a shared tenant in a multi-tenant environment. This exclusive infrastructure is operated exclusively for the respective company, which means: maximum control over configuration and security settings, and the ability to implement company-specific requirements that could not be accommodated in a standard cloud environment. At the same time, operations remain entirely with the provider – the workload for the company’s own IT department is the same as with the regular cloud version.
Benefits for Your Enterprise IT
Flexible Protection with NoSpamProxy
Whether deployed on-premises, as a cloud solution, or in a hybrid setup, NoSpamProxy provides secure protection for large organizations. Since both versions are built on the same codebase, switching operating models at a later date is straightforward.
NoSpamProxy Cloud is particularly well-suited for organizations looking to reduce the burden on their IT resources: The solution is ready to use immediately, is fully managed by the vendor, and updates automatically. There are no infrastructure costs for hardware, electricity, or maintenance.
NoSpamProxy Server is the choice for organizations that require full control over their own infrastructure – whether for regulatory reasons, due to existing on-premises environments with Microsoft Exchange and Active Directory, or because internal policies preclude cloud operation. The level of configuration is particularly extensive here: granular filter rules, custom PKI integration, and custom content filters.
Conclusion
Email security is critical infrastructure in enterprise environments, and as with any critical infrastructure, a single compromised email can have catastrophic consequences. The question is not whether an attack will occur, but when – and whether the security architecture is prepared for it.
NoSpamProxy offers the solution to this challenge: a platform that scales with the complexity of large organizations, integrates into existing infrastructures, and makes no compromises on data sovereignty or compliance. Protection operates on multiple levels simultaneously – from AI-powered threat detection and automated encryption to seamless DMARC monitoring.
The choice between NoSpamProxy Server and NoSpamProxy Cloud is up to each company. Both are the right choice for perfect protection of your IT.




