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A cybersecurity analyst for a small company ensures the company's email security by configuring Sender Policy Framework (SPF) and DomainKeys Identified Mail (DKIM). The analyst needs to explain to other employees how SPF and DKIM work together.
Which of the following statements correctly explain the role of SPF and DKIM in securing email communications? (Select two.)
answer
SPF and DKIM together prevent email spoofing and ensure message authenticity.
SPF and DKIM allows the recipient to report back to the sender emails that failed the security measures.
SPF and DKIM work together to scan for malware.
SPF verifies the message content while DKIM verifies the source IP address of incoming messages.
SPF verifies the source IP address of incoming messages while DKIM verifies the message content.
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Answers:
- SPF and DKIM together prevent email spoofing and ensure message authenticity. (True)
- SPF verifies the source IP address of incoming messages while DKIM verifies the message content. (True)
Brief explanation: SPF checks that the sending mail server IP is authorized to send for the domain. DKIM attaches a cryptographic signature covering headers/body so recipients can verify the message wasn’t tampered with and that it was signed by the sending domain.
- SPF and DKIM together prevent email spoofing and ensure message authenticity. (True)
- SPF verifies the source IP address of incoming messages while DKIM verifies the message content. (True)
Brief explanation: SPF checks that the sending mail server IP is authorized to send for the domain. DKIM attaches a cryptographic signature covering headers/body so recipients can verify the message wasn’t tampered with and that it was signed by the sending domain.
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