In the email communication system, what does the 'Mail Delivery Subsystem' error message '451' or a 'Bounce Email' generally indicate?
A. The target email address does not exist or has been permanently disabled.
B. The recipient read your sent email successfully.
C. The message could not be delivered due to a temporary server issue or configuration failure.
D. The attached file is completely clear of malware definitions.
Answer: Option C
Solution (By JKSSB Mock Tests)
A bounce message containing a temporary error code typically implies server-side issues, a full inbox, or network congestion that temporarily blocks delivery.
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