Email Security Needs Its Periodic Table Moment
Security Boulevard, Friday, June 5th, 2026
Email security should classify attacks by attacker intent rather than technique, mirroring Mendeleev's periodic-table shift.
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IT News and EventsThis Week →
Volume 339 · 2026.07 · Back Issues
4 articles
How DMARC Helps Detect Organized SPF Abuse Schemes
Security Boulevard, Friday, June 5th, 2026
Dmarcian shows how DMARC monitoring exposes organized SPF abuse via dangling DNS CNAMEs and shared records.
more →How to Set Up Email Authentication for a Newly Registered Domain
Security Boulevard, Tuesday, June 2nd, 2026
A guide to configuring SPF, DKIM, and DMARC on a newly registered domain to prevent spoofing and improve deliverability.
more →How to Split a DKIM Record
Security Boulevard, Friday, June 5th, 2026
A guide to splitting long 2048-bit DKIM keys into multiple quoted strings so they fit DNS TXT record limits.
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