Real or Fake? How to Spoof Email
ID: 36d134a7-b47a-5b32-ac9d-046c048f5a7d
STIX ID: report--36d134a7-b47a-5b32-ac9d-046c048f5a7d
Feed Name: TrustedSec blog
This post explains why email sender addresses are easy to forge due to the trusting design of SMTP, walks through SMTP envelope and message header mechanics with annotated examples of sender/header spoofing and mismatched spoofing used in phishing and business email compromise, and briefly notes that SPF, DKIM, and DMARC are available mitigation tools.
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