KPOP Protocol
Post Office Protocol (POP) pulls down email from a mail server to the mail client. The most popular version in circulation is POP3. KPOP is based on POP3 and stands for Kerberized Post Office Protocol, which means the Post Office Protocol uses Kerberos for security.
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Differences
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KPOP is a fully independent protocol from POP, and KPOP has a number of procedures that differ from POP3. For example, POP3 always communicates through port 110, while KPOP always uses port 1109.
Function
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Kerberos operates with a certificate base for authentication of endpoints in a connection. Kerberos's certificates are called "tickets." A Kerberos subscriber must access the issuing authority's database to generate a ticket to pass to the correspondent. This ticket is referenced by the receiver back to the Kerberos database.
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Features
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KPOP runs over Transmission Control Protocol (TCP) connections. The Kerberos manager is an application on the client's computer that accesses the Kerberos server.
Alternatives
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Secure Socket Layer (SSL) can be added to any network transaction. It is managed automatically and requires little user intervention. POP or Internet Message Access Protocol (IMAP) over an SSL connection is easier to use than KPOP.
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References
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