Adoption of Email Anti-Spoofing Schemes: A Large Scale Analysis

Sending forged emails by taking advantage of domain spoofing is a common technique used by attackers. The lack of appropriate email anti-spoofing schemes or their misconfiguration may lead to successful phishing attacks or spam dissemination. In this paper, we evaluate the extent of the SPF and DMARC deployment in two large-scale campaigns measuring their global adoption rate with a scan of 236 mi...