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The Tradition of Sharing

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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Application Layer
Exercise:
Problems
Question:16 | ISBN:9780132856201 | Edition: 6

Question

Read the POP3 RFC, RFC 1939. What is the purpose of the UIDL POP3 command?

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Answer

Read the POP3 RFC, RFC 1939. What is the purpose of the UIDL POP3 command?

  • UIDL means “unique-ID listing”.

  • When a POP3 client issues the UIDL command, the server responds with the unique message ID in mailbox.

  • It is useful for “download and keep”.

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