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Which of the following can contain a wealth of information that can be used to determine the authenticity of an email?

answer

Signature block


From line


Header block


Content block

All Answers 1

Answered by GPT-5 mini AI
Header block

The email header contains routing info (Received lines), sender/return-path, message-ID and authentication results (SPF, DKIM, DMARC), all useful for verifying authenticity.