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200-201 · Question #347

What is email greylisting by the mail transfer agent?

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Submitted by omar99· Mar 6, 2026Security Concepts

Question

What is email greylisting by the mail transfer agent?

Options

  • Adenying any email from a sender it does not recognize
  • Breturning emails that are potential phishing attempts
  • Callowing emails from unknown senders temporarily
  • Dquarantining emails sent from outside of the organization

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Topics

#email security#greylisting#MTA#spam prevention
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