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NoSpamProxy Cloud

NoSpamProxy Server




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Threat Protection
Protection against Spam, Phishing & Malware

AI Threat Detection

Isolated File Analysis

DMARC Report Analyzer

Microsoft 365 Mail Security


Secure Email Communication
Email Encryption

Automatic Certificate Management

Search for Public Keys


Productivity & Compliance
Sending Large Files

Email Disclaimer




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Secure email communication


Reliable protection against malware, ransomware and spam, secure email encryption, easy and secure sending of large files and effortless management of email disclaimers: NoSpamProxy is the award-winning gateway solution for Email communication. In the cloud or on a server. Always made in Germany.

Start your free trial now














NoSpamProxy – The ideal addition to Microsoft 365


NoSpamProxy optimises your mail security in Microsoft 365. Use the modular combination of spam and malware protection, email encryption, sending of large files and email disclaimer now.

More information














Email security for public institutions. Made in Germany.


Powerful spam protection, secure email encryption, easy and secure sending of large files and legally compliant email disclaimers: NoSpamProxy is the multi-award-winning complete package for best email security in public institutions. Either in the cloud or on the server. Always made in Germany.

More information









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Secure email communication


Reliable protection against malware, ransomware and spam, secure email encryption, easy and secure sending of large files and effortless management of email disclaimers: NoSpamProxy is the award-winning gateway solution for Email communication. In the cloud or on a server. Always made in Germany.

Start your free trial now
















NoSpamProxy – The ideal addition to Microsoft 365


NoSpamProxy optimises your mail security in Microsoft 365. Use the modular combination of spam and malware protection, email encryption, sending of large files and email disclaimer now.

More information
















Email security for public institutions. Made in Germany.


Powerful spam protection, secure email encryption, easy and secure sending of large files and legally compliant email disclaimers: NoSpamProxy is the multi-award-winning complete package for best email security in public institutions. Either in the cloud or on the server. Always made in Germany.

More information









PreviousPreviousPreviousNextNextNext

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Reliably fend off malware and spam

NoSpamProxy Protection combines the most advanced technologies to ensure optimal protection against current threats such as Emotet, WannaCry and QakBot.



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Securely encrypt your emails

With NoSpamProxy Encryption, you can easily encrypt emails S/MIME and PGP-based while guaranteeing GDPR-compliant communication with customers and partners.



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Send your large files easily

With NoSpamProxy Large Files you can send files of any size directly from your Email client to your communication partners. Simple, secure and without media disruption.



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Easily manage your Email disclaimers

NoSpamProxy Disclaimer is the easiest way to create email disclaimers flexibly and company-wide – easy for everyone to use and without the need for third-party software.



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Email Security


Either in the cloud or on your own server.
Always Made in Germany.












NoSpamProxy is a complete Email security gateway and bears the seal of quality IT Security Made in Germany. For more than 15 years, NoSpamProxy has stood for reliability and competence more than any other solution. Our experience and the constant exchange with customers and partners are the basis for continuous further development.

NoSpamProxy Cloud means uncompromising Email security that ties up fewer IT resources in the company than any other solution. For those who want to guarantee their Email security as an on-premises installation, we offer the same features and functionalities with NoSpamProxy Server.




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„Over the last 15 years, email security has evolved from “something we should consider” to “our business depends on it”. We have recognised this and have, in Germany, developed NoSpamProxy, one of the most powerful email security solutions.“

Stefan Cink, Director Business and Professional Services NoSpamProxy




























NoSpamProxy Protection



Proactive real-time protection against malware, ransomware and spam











Comprehensive sender reputation analysis, effective attachment management with content disarming, rewriting and deactivating of malicious links via URL Safeguard, CxO Fraud Detection, sandboxing, and many other intelligent technologies make NoSpamProxy the most secure spam filter for your email communications. In conjunction with the in-house developed, AI-based service 32Guards, NoSpamProxy reliably protects your company against current malware trends, spam attacks, and other cyber threats.





Learn more about NoSpamProxy Protection





NoSpamProxy Encryption

Secure Email encryption
with S/MIME and PGP.











S/MIME 4- and PGP-based Email encryption is the basis for data protection and legal security in your company and guarantees secure communication with your partners and customers. NoSpamProxy ensures that certificates and keys are managed centrally and that you implement corporate policies automatically and centrally. You encrypt Emails directly from Microsoft Outlook – DSGVO-compliant and guaranteed protected. With PDF Mail you can also send protected Emails and documents to recipients who do not use certificates or keys.





Learn more about NoSpamProxy Encryption















Over 6,000 companies entrust the security of their Email communication to NoSpamProxy.























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NoSpamProxy Large Files



Send large files by Email – simply, securely and without media disruption











With NoSpamProxy Large Files you can send attachments of any size directly from your Email client – simply, securely, without media discontinuity and with just one click. In contrast to common file transfer services, the data is made available in a secure manner via a customer’s own web server and transmitted using SSL encryption. In this way, you can meet crucial, security-critical business requirements as well as IT governance requirements.





Learn more about NoSpamProxy Large Files







NoSpamProxy Disclaimer

Create and manage Email disclaimers flexibly











With NoSpamProxy Disclaimer you can easily and flexibly create company-wide or department-specific disclaimers or Email signatures – without additional software installation or technical expertise. This puts an end to the battle between marketing and IT for rapid implementation of this important, cost-effective and very effective marketing tool. You implement changes in corporate communications quickly and centrally and relieve the burden on the IT department.





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The package for full Email Security

All four NoSpamProxy modules in one package: With NospamProxy Suite you get all the features you need for reliable protection against malware, ransomware and spam, secure Email encryption, easy sending of large files and effortless management of Email disclaimers. Especially secure, especially affordable. By purchasing NoSpamProxy Suite you benefit from a significantly lower price compared to purchasing the four individual modules.











Full email security also in Microsoft 365


Optimize your email security in Microsoft 365 with NoSpamProxy. Use the modular combination of spam and malware protection, email encryption, large file sending and email disclaimer now.

Microsoft 365 Mail Security




























„After a short break-in phase at the beginning, we quickly had peace of mind and NoSpamProxy has been doing what it is supposed to do ever since: reliably protect us from cyber threats and spam in the background. This is our idea of perfect mail security.”

Keven Kanet, Head of IT Infrastructure, OLYMP Bezner KG
















„Although Microsoft 365 comes with its own security solutions, we route all traffic via our NoSpamProxy as a second, central protection mechanism. We rely on the combination of both systems for greater security.”

Marco Riemer, Head of Cloud Services at hagebau IT GmbH
















„We work very closely with NoSpamProxy and know that, if the worst comes to the worst, we will quickly have someone on the line to deal with our problem. We also very much appreciate the exchange at eye level.”

Michael Drepper, ZIT, Collaboration Software Unit at the University Medical Center Essen


















Full multi-tenant capability

Administrators of different companies or in larger company groups each have their own closed configuration area in NoSpamProxy. The respective administrators can only see the emails of their own tenant in the message tracking. NoSpamProxy Server ensures that emails are always processed separately seperately for each tenant. The multi-tenant capability is particularly interesting for heterogeneous company structures as well as for managed service providers.



























Our news









31.07.2026
Understanding DMARC Reports and Making the Most of Them


DMARC reports show what happened. NoSpamProxy 25Reports helps you understand why it happened and what you should do next. With visualized context, automated analysis, and concrete recommendations for action, complex DMARC data becomes a clear basis for decision-making. We’ll show you why 25Reports is indispensable if you need concrete recommendations for your DMARC configuration to identify risks and protect your email communications in a controlled manner.









24.07.2026
Email Rules as a Point of Entry: How Attackers Take Control of Microsoft 365 After Compromising an Account






21.07.2026
NoSpamProxy Server 16.1 is now available






14.07.2026
it-sa 2026 – Get your free ticket now!






09.07.2026
Seasonal threat: Cybercriminals don’t take vacations




























NoSpamProxy Cloud.

Simple and secure protection
for your email infrastructure.





NoSpamProxy Cloud is the flexible, cloud-based Email security gateway for managing your Email infrastructure. Simple and secure – for uncompromising security with minimal effort for your IT department. With NoSpamProxy Cloud, you are ready to go right away and benefit from particularly intuitive operation, automatic updates and high availability and scalability.



Start your free trial now













NoSpamProxy Server.

The comprehensive solution for
security and Email encryption.





NoSpamProxy Server is the ideal solution for anyone who wants to ensure your email security on-premises. For comprehensive protection against ransomware, malware and spam, as well as for encrypting emails. Multiple winner of the Champion award for the Professional User Rating from techconsult GmbH – particularly in the areas of performance, functionality and user-friendliness.



Start your free trial now















Become part of the strong NoSpamProxy community!

We at NoSpamProxy are passionate about making Email communication even more secure and easier. A lively exchange with and between our customers is particularly important to us. The NoSpamProxy Community is a unique opportunity to talk to other NoSpamProxy users, ask questions, get tips and give feedback. We analyze use cases, provide support and discuss your suggestions.
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