*this is post office protocol version 3
*this protocol allows user agents on cliev pc’s to contact the message transfer agent (on the ISP’s machine) and allow email to be copied from the ISP to the user.
*POP3 is used in the case in which the render is currently on line but the server is not on line.

*POP3 begins with the user starts the mail reader.
*the mail reader calls up the ISP and establises a TCP connection with the message transfer agent at post 110
*once the connection has been established, POP3 protocol in through 3 states in sequence.
2. Transactions
3. Update.
*POP3 protocol supports the ability to download a specific message or a set of messages and leave them on the server.

thanks to
jiya miss,
ilahia college of engineering and technology.

Sent on a phone using


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