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Tuesday, May 13, 2025

What’s a “User-Agent” Anyway?

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What’s a “User-Agent” Anyway? Whenever your web browser, mobile app, or an automated script requests a web page, it quietly introduc...
Thursday, April 3, 2025

Why SPF Soft‑Fail (~all) Is the Smarter Choice for Deliverability

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When you publish an SPF record with a hard‑fail ( -all ), you’re telling every receiver to reject mail from any IP not explicitly authorised...
Wednesday, March 26, 2025

Navigating the Challenges of Using Distribution Lists with DMARC Enforcement

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When managing email infrastructure, ensuring secure and reliable communication is paramount—especially for system administrators, systems en...
Monday, March 10, 2025

DMARC Reports: Debunking Privacy Myths and Minimizing Risk

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Domain-based Message Authentication, Reporting, and Conformance (DMARC) is an essential email authentication protocol designed to protect yo...
Thursday, March 6, 2025

Understanding the Public Suffix List: The Unsung Hero of Domain Management

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The Public Suffix List (PSL) is one of those critical internet infrastructures that works silently in the background, y...
Wednesday, March 5, 2025

Bridging the Gap: Enforcing TLS 1.3 for Legacy On-Premises Devices in Email Delivery

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In the world of email delivery, security is paramount . As protocols and standards evolve, staying up-to-date with the latest ...
Monday, March 3, 2025

Strengthening Email Security: Understanding SMTP-DANE and DNSSEC

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In today’s digital world, email remains a primary business communication tool, but it’s also one of the biggest targets for cyber threats. A...