| User Agent Log
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Software interfaces called delivery agents are required for the message transport agent (MTA) to function with the user agent (UA).
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| Remote Delivery Agent Log
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Accepts messages from the User Agent through the Outbound queue and delivers these messages to the Queuer.
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| Local Delivery Agent Log
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Accepts messages from the MTA through the Dispatcher. Passes incoming messages to the UA through the Inbound queue.
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| Queuer Log
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Accepts messages from the RDA and passes these messages to SMTP Out or stores these messages in the SMTP queue until the system accepts these messages.
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| Dispatcher Log
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Accepts messages from SMTP In and passes these messages to the LDA, or stores these messages in the SMTP queue until the system accepts these messages.
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| SMTP In Log
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Transfers incoming messages from the Internet to the Dispatcher.
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| SMTP Out Log
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Transfers outgoing messages from the Queuer to the Internet.
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| Administration/Event Log
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Records occurrences that are informational or require administrator intervention.
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| IMPAP4 Log
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Records errors and events occurred in the communication between POP3 and IMAP4 clients of the user and the message server. Additional information includes errors and significant events dealing with the server and the rest of the Messaging system.
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| IMAP4/POP3 Access Log
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Records data about every login attempt and every logout. The log includes data for IMAP4 super-user bind and unbind along with the login success or failure and the reason. Additional information includes the Far-end IP address and port, mailbox-number, and time.
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