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<div dir="ltr" style="text-align: left;" trbidi="on"><br /> <br /><div class="MsoNormal"><span style="color: #38761d;"><b><span style="font-size: x-large;">What is POP3?</span></b></span></div><div class="MsoNormal">Post Office Protocol version 3 (POP3) is a standard mail protocol used to receive emails from a remote server to a local email client. POP3 allows you to download email messages on your local computer and read them even when you are offline.</div><div class="MsoNormal"><br /></div><div class="MsoNormal">(1) POP is short for Post Office Protocol, a protocol used to retrieve e-mail from a mail server. Most e-mail applications (sometimes called an e-mail client) use the POP protocol, although some can use the newer IMAP (Internet Message Access Protocol).</div><div class="MsoNormal"><br /></div><div class="MsoNormal">There are two versions of POP. The first, called POP2, became a standard in the mid-80's and requires SMTP to send messages. The newer version, POP3, can be used with or without SMTP.</div><div class="MsoNormal"><br /></div><div class="MsoNormal">(2) Pop is short for point of presence, an access point to the Internet. ISPs have typically multiple POPs. A point of presence is a physical location, either part of the facilities of a telecommunications provider that the ISP rents or a separate location from the telecommunications provider, that houses servers, routers, ATM switches and digital/analog call aggregators.</div><div class="MsoNormal"><br /></div><div class="MsoNormal">(3) Pop is short for Programmed Operator (POP), a pseudo-opcode in a virtual machine language executed by an interpretive program. The Programmed Operator instructions provide the ability to define an instruction set for efficient encoding by calling subprograms into primary memory.</div><div class="MsoNormal"><br /></div><div class="MsoNormal">(4) POP is short for picture-outside-picture POP is a feature found on some televisions that allows the user to divide the screen into two same-size pictures, enabling you to view a second program. Compare with picture-in-picture (PIP)</div><div class="MsoNormal"><br /></div><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;"><span style="color: #38761d;"><b><span style="font-size: x-large;"><span style="font-family: "Times New Roman","serif";">Advantages of POP3 </span></span></b></span></div><ul type="disc"><li class="MsoNormal" style="line-height: normal;"><span style="font-family: "Times New Roman","serif";">Email is available when you are offline</span></li><li class="MsoNormal" style="line-height: normal;"><span style="font-family: "Times New Roman","serif";">Email is not stored on the server, so your disk usage      on the server is less</span></li><li class="MsoNormal" style="line-height: normal;"><span style="font-family: "Times New Roman","serif";">Just about any email client (software) supports POP3</span></li></ul><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="color: #38761d;"><b><span style="font-size: x-large;">Disadvantages of POP3</span></b></span> </span></div><ul type="disc"><li class="MsoNormal" style="line-height: normal; mso-list: l0 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Can be much slower to check mail</span></li><li class="MsoNormal" style="line-height: normal; mso-list: l0 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Much harder to do server-side filtering</span></li><li class="MsoNormal" style="line-height: normal; mso-list: l0 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">Mail is inaccessible from other machines</span></li></ul><div class="MsoNormal"><br /></div></div>

Post Office Protocol version 3 (POP3) Advantages of POP3 , Disadvantages of POP3

Tukiyooo 0 Information Technology for Education and Knowledge. 01:08

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Post Office Protocol version 3 (POP3) Advantages of POP3 , Disadvantages of POP3

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