What Is DMARC and Why Should You Care?
Your domain name is one of your most valuable digital assets. It's how customers find your website and—critically—how they recognize emails from you. But without proper email…
Read the field noteField notes on web architecture, security, and the small decisions that make digital products feel dependable.
Your domain name is one of your most valuable digital assets. It's how customers find your website and—critically—how they recognize emails from you. But without proper email…
Read the field note
IntroductionWhat Cyber Hygiene Means for WebsitesWhy Regular Scanning MattersThe Anatomy of a Good Security RoutineAutomated vs Manual CheckingHow ScanSentinel Enables Hygiene…
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IntroductionHow Email Spoofing WorksSPF: Authorising SendersDKIM: Signing Your EmailsDMARC: Tying It All TogetherImpact on Email DeliverabilitySetup GuidesHow ScanSentinel…
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IntroductionSSL vs TLS: What's the Difference?How TLS Certificates WorkTLS Protocol Versions ExplainedWeak Ciphers and Why They're DangerousCommon TLS MisconfigurationsHow…
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IntroductionMistake 1: Missing Security HeadersMistake 2: Expired or Misconfigured SSL CertificatesMistake 3: Exposed Open PortsMistake 4: Weak TLS ConfigurationsMistake 5…
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Your domain name is one of your most valuable digital assets. It's how customers find your website and—critically—how they recognize emails from you. But without proper email…
Read the field note
Every website faces external threats. Expired SSL certificates silently break user trust. Missing security headers leave visitors exposed to clickjacking and cross-site scripting…
Read the field note