That includes whether a message should be encrypted and exchanged securely. Default email portsĮmail ports are communication endpoints that define how a message should be transmitted. IMAP supports the connection of multiple users to a single mail server. By default, all messages remain on the server until the user specifically deletes them. It also gives you the option to set or remove email flags, or fetch email attributes selectively. This protocol permits you to manipulate folders, permanently delete and efficiently search through messages. The Internet Message Access Protocol ( IMAP) allows you to access and manage your email messages on the email server. Modern POP3 clients allow you to keep a copy of your messages on the server if you explicitly select this option. Thanks to this protocol, you are able to access the messages locally in offline mode as well. Then it stores them on your local computer and deletes them from the remote server.

Thus, when a POP3 client connects to the mail server, it retrieves all messages from the mailbox. It executes the download and delete operations for messages. The POP3 abbreviation stands for Post Office Protocol version 3, which provides access to an inbox stored in an email server. Thanks to the Simple Mail Transfer Protocol, messages can be sent from the same account on different email applications. Both entities are using SMTP commands and replies to process your outgoing emails. This protocol is used by email clients and mail servers to exchange emails between computers.Ī mail client and the SMTP server communicate with each other over a connection established through a particular email port.

SMTP stands for Simple Mail Transfer Protocol, and it is responsible for sending email messages. Each of them operates differently and provides a different service for managing your email account. The standard email protocol list includes SMTP, POP3, and IMAP. Moreover, these mail protocols allow you to access and manage your emails from various email programs and devices. Thanks to them we are able to send and receive emails from different machines, networks, and operating systems. In fact, there is a list of email protocols that handle email transactions. What is an email protocol?Īn email protocol is a group of rules which ensure that emails are properly transmitted over the Internet. Read on to see which configuration will best serve your particular email needs. Each of them has a specific function and mechanism. In this article, you will find the most common Email protocols explained – POP3, IMAP, and SMTP. This way, they allow us to send and receive messages over the network correctly. The email protocols define the mechanism of the email exchange between servers and clients.

What is the difference between SMTP, POP3, and IMAP?Įmail is an essential part of business and personal communication online.

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