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  Email remains an essential communication tool for businesses, utilized for everything from transactional notifications to marketing initiatives and customer interaction. However, to ensure your emails reliably reach their intended inboxes in a secure and effective manner, a basic mail server isn’t enough. This is precisely where SMTP relay services become essential. Wh...

A data-driven analysis with 20+ statistics from EasyDMARC, Google, Microsoft, IBM, Verizon, CISA, and the PCI Security Standards Council. Introduction: The Line Between Best Practice and Requirement Has Been Erased For over a decade, email authentication protocols — SPF, DKIM, and DMARC — were recommended best practices. Security experts encouraged organizations to implement ...

  Organizations that send large volumes of emails, including software-as-a-service (SaaS) platforms, marketing automation providers, email service providers (ESPs), and major corporations, operate in an environment where deliverability, trust, and security are essential. At the forefront of email authentication is DomainKeys Identified Mail (DKIM), which is vital for con...

A data-driven analysis for security leaders, IT teams, and MSPs — with 20+ primary-source statistics from Microsoft, IBM, FBI IC3, KnowBe4, Verizon, Cisco, and the World Economic Forum. Introduction: The Typo Was Your Last Line of Defense. It’s Gone. For years, cybersecurity awareness training taught employees to spot phishing emails by looking for grammatical errors, […]

The post Sri Lanka Cyberattack, SilentGlass Threat Defense, Rituals Data Breach – Cybersecurity News [April 20, 2026] appeared first on DuoCircle.