Email Security
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Verizon DBIR 2026: Social engineering a growing threat, with conventional email security more important than ever
Read moreVerizon’s Data Breach Investigations Report (DBIR) has long been considered one of the cybersecurity sector’s most essential status reports. The report’s headline finding for 2026 is that vulnerability exploitation has risen to become the most common initial access vector for successful attacks. Nevertheless, enterprises will find another conclusion especially relevant: The human factor continues to…
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New automation options for Retarus Email Security: Meet our Configuration API
Read moreCompanies running email security operations in complex environments are acutely aware of the daily challenges – carefully maintaining configurations, ensuring lists are kept up to date, and reliably implementing security policies. This is where the new Configuration API included in Retarus Email Security comes into play.
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SMTP Concentrator: Centralize your Application Email Delivery
Read moreEnterprise organizations often use dozens of applications that send email: time-sensitive notifications, system alerts, customer communications, invoices, password resets, and more. These applications may be cloud-based, on-premises, or geographically distributed across regions. The challenge? All of them must send high volumes of email reliably and consistently and without delays, throttling, or delivery failures.
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How European is your email security provider, really?
Read moreCompanies based in Europe are essentially taking a risk when they entrust the security of their email communication to US providers.
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QR code phishing? Not with Retarus Advanced Threat Protection
Read moreWith Retarus, QR code phishing protection does not need to be purchased separately. It is already an integral part of the ATP package. This is in line with our underlying mission: Customers should always benefit from the latest threat protection methods, without having to manually take new attack scenarios into account or activate additional services.
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New myEAS release: Streamlined AntiSpam administration and optimized dashboard
Read moreOrganizations taking email security seriously will appreciate just how valuable time is. The easier it is for your administrators to handle everyday requests, the lower your costs will be. With this in mind, our developers have addressed a number of issues in our myEAS portal. The latest release now makes it quicker and easier to…
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Why True Email Security Requires a Multi-Vendor Approach
Read moreManagers in charge of ensuring security at enterprises face constantly changing, ever evolving email-based attacks. Conventional safeguarding mechanisms and rigid data sources soon come up against their limits. Companies need solutions which continuously adapt to meet new threats without requiring enterprises to continually restructure their own infrastructures or change providers.
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Nothing to Hide: New Observability Metrics for Retarus Email Security
Read moreAt Retarus, transparency is not a marketing claim – it is a core design principle. With the introduction of our new Observability Metrics, we are taking the next logical step, delivering a level of visibility that is currently unique in the market. Effective immediately, customers gain full, unfiltered, real-time access to all security-relevant data generated…
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Seemingly harmless DKIM option emerges as security risk
Read moreIn discussions with the security teams of many of our enterprise customers, Retarus’ experts often encounter a commonly overlooked risk. The issue is that some email security solutions activate the DKIM “l=” tag (length tag) by default. While this option indeed made sense in the past, it now poses significant security risks.