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We want to block exec and domain impersonation

Defender anti-phishing policy detects spoofing, lookalike domains and impersonation of named users. Default is low.

support/beveiliging/anti-phishing-policysteps: 4

Try this first

  1. Defender > Email & collaboration > Policies > Anti-phishing
  2. Mailbox intelligence on
  3. Impersonation: explicitly protect execs
  4. Spoof mail: quarantine instead of junk

When to bring us in

False positives on partners, we'll build the allow list.

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