During a message processing, headers will be added to the message at all times except?

Question

Options

• Acomposition time
• Bwhen an email client hands control to outgoing server
• Cat the time of transfer from sending to receiving server
• DAt time message is opened by recipient

• A
  4% (1)
• B
  8% (2)
• C
  15% (4)
• D
  73% (19)

Explanation

Opening a received message is a read-only action - the recipient's email client displays the content but does not modify the message's header structure, making D the exception. Headers are added at composition time (A) when the client stamps fields like From, Date, and Subject. When the client hands off to the outgoing server (B), the server appends headers such as Received and authentication results. During server-to-server transfer (C), each relay in the chain inserts its own Received header to log the hop. Memory tip: Think of headers as a message's travel journal - entries are written at each sending step, but once the package is delivered and opened, no new stamps are added.

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