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Retarus Press Release

Retarus expands its email security portfolio with seamless integration into cloud platforms such as Microsoft 365

New API deployment option offers added protection from phishing, malware, and zero-day attacks.

Munich, 19.02.2025 // Retarus, a leading global provider of email security and enterprise messaging solutions, has enhanced its portfolio with the launch of an innovative, flexible API-based deployment model to safeguard corporate email communication. This approach, also known as integrated cloud email security (ICES), provides companies with an additional option for effectively protecting their email infrastructures from threats such as phishing, malware, zero-day attacks, and business email compromise (BEC) – without needing to make any changes to their existing systems.

For more than 30 years, Retarus has been a market leader in the development and provisioning of secure email solutions. Their proven secure email gateway (SEG) is especially suitable for organizations with hybrid email environments and specialized requirements. Through the launch of this new API-based security model, Retarus is delivering on its mission to provide its customers with tailored solutions for a highly diverse range of requirements.

Retarus Email Security via API

Corporate email services like Microsoft 365 or Google Workspace are often targeted in cyberattacks. Analysts consequently recommend augmenting these services with additional security mechanisms from specialist third-party providers. Retarus’ new deployment model was specifically developed for companies using cloud-based email platforms such as Microsoft 365. In this way, Retarus provides a comprehensive security solution which is directly integrated into these systems via APIs. Messages hosted by the email provider can thus be analyzed, considerably boosting detection rates and protection levels when compared with the existing integrated security mechanisms.

In this way, customers benefit from an expanded range of security benefits, without needing to reconfigure their MX records. Thanks to this seamless integration, existing workflows remain unaffected. The solution thus ensures that malicious emails are removed from the users’ inboxes – automatically and efficiently.

Maximum flexibility and security

By granting its customers a choice between the SEG and API deployment options, Retarus provides the utmost flexibility when choosing a fitting security model. While SEG represents a comprehensive, centralized solution with added email management options, the API approach enables companies to re-evaluate existing licenses and upgrade their existing cloud-based systems quickly and effortlessly with additional protection mechanisms.

Safeguarding potential vulnerabilities

In the context of Microsoft 365, other benefits offered by Retarus’ all-encompassing email portfolio are critically useful. Centralized reporting and monitoring functions ensure that all of the company’s email traffic, often partly hybrid and widely distributed, becomes more transparent and easier to manage. Furthermore, the security status and whereabouts of every single message can be understood in real time. Especially when it comes to demanding requirements for companies in sensitive sectors, Microsoft 365 can be augmented with additional Retarus services such as independent email continuity and comprehensive email encryption for all commonly employed standards, as well as dependable, compliant archiving.

The new portal and Outlook fax add-in complement Retarus’ existing cloud fax service options, which include email-based faxing (Email-to-Fax/Fax-to-Email) and API integrations, offering even greater functionality.

About Retarus

Retarus is a global provider of APIs, gateways, and applications for messaging, email management, and the exchange of structured data for business processes – with top performance, security, and data protection, provided from the company's self-operated data centers around the globe. Founded in 1992 and headquartered in Munich, Germany, Retarus is owner-managed and proud of its innovation power. The company employs a staff of around 500 at 20 locations on four continents. Retarus' services are leveraged by the world's leading companies. The services are sold directly by Retarus or in close collaboration with selected partners. Analysts constantly commend Retarus' outstanding quality and reliability. More details: www.retarus.com

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