Email spoofing refers to:

The correct answer is A. The forgery of an email header so that the message appears to have originated from someone or. Email spoofing is the forgery of email header fields (particularly the From, Reply-To, or Sender fields) so that the message appears to originate from someone or somewhere other than the actual source. This exploits the fact that the SMTP protocol does not natively authenticate…

Submitted by kavita_s· Apr 18, 2026Network Forensics

Question

Options

AThe forgery of an email header so that the message appears to have originated from someone or
BThe criminal act of sending an illegitimate email, falsely claiming to be from a legitimate site in an
CSending huge volumes of email to an address in an attempt to overflow the mailbox or overwhelm
DA sudden spike of "Reply All" messages on an email distribution list, caused by one misdirected

How the community answered

(55 responses)

A
93% (51)
B
2% (1)
C
2% (1)
D
4% (2)

Explanation

Email spoofing is the forgery of email header fields (particularly the From, Reply-To, or Sender fields) so that the message appears to originate from someone or somewhere other than the actual source. This exploits the fact that the SMTP protocol does not natively authenticate the sender's identity. Choice B describes phishing; Choice C describes email bombing/flooding; Choice D describes a reply-all storm - these are related but distinct email-based threats, not spoofing.

Topics

#Email spoofing#Email security#Cybersecurity concepts#Network attacks

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