Split Alignment: Diffusing SPF Vulnerabilities With DMARC
Published in ACM Internet Measurement Conference (IMC) • Sep 29, 2026
Authors:,,
Muhammad Hamza
Mattijs Jonker
Raffaele Sommese
Abstract
Email remains the backbone of online communication, yet its authentication mechanisms continue to lag behind evolving attacker capabilities. Email authentication protocols are layered, with their interactions propagating and amplifying underlying vulnerabilities. This is clearly evident in the case ...
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