The Mechanics of Email Authentication: A Deep Dive into SPF, DKIM, and DMARC Alignment
An architectural breakdown of the RFC 5321 vs RFC 5322 identity split, DNS macro lookups, cryptographic canonicalization, and strict vs relaxed DMARC alignment.
Zero-Trust Architecture for Cloud Data Platforms
How we implemented fine-grained IAM governance, envelope encryption, and audit streams across enterprise AWS data systems.
Scaling OpenSearch for Real-Time Email Threat Defense
Architecting ingestion pipelines, index lifecycle management, and fuzzy similarity queries to detect phishing and BEC at scale.
Declarative Infrastructure Patterns for Multi-Tenant Security Services
Best practices for writing modular, drift-resistant Terraform code for multi-region security and data ingestion microservices.
Stop Email Spoofing: How SPF, DKIM, and DMARC Work Under the Hood
A deep dive into modern email authentication protocols, how SPF, DKIM, and DMARC prevent spoofing, and a step-by-step roadmap to strict enforcement.
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