What are the differences between imap and pop3

The difference between imap and pop3: 1. IMAP is the Internet Mail Access Protocol, and POP3 is the third version of the Post Office Protocol; 2. IMAP does not need to download all the mails on the server, while POP3 allows downloading of the mail server email above.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The difference between imap and pop3:

1. IMAP is the abbreviation of "Internet Mail Access Protocol", which is the Internet mail access protocol. Mail clients can use this The protocol obtains email information on the mail server, downloads and sends emails, etc.

POP3 is the abbreviation of "Post Office Protocol - Version 3", which is the third version of the post office protocol. It specifies the protocol for personal computers to connect to Internet mail servers and download e-mails.

2. IMAP does not need to download all the emails on the server (download according to actual needs). You can operate the emails through the email client.

POP3 allows downloading emails on the mail server (downloading all unread emails). When the emails are sent from the server to the computer, the emails on the mail server are also deleted (currently many mail servers support "download" email without deleting the email or sending a reminder").

3. IMAP provides two-way communication between WebMail and the mail client. Operations on the client (such as: read, delete, move mail, etc.) will be fed back to the mail On the server, when you operate mail on WebMail, it will also be fed back to the mail client (that is, the mail and status viewed by logging in to the mailbox on the mailbox client and browser are the same).

POP3 operations on the client (such as: read, delete, move mail, etc.) will not be fed back to the mail server. For example: when moving mail on the client to other folders, the mail server These messages will not be moved at the same time.

4. IMAP provides a more convenient, stable and reliable usage experience. Two-way communication with the client through WebMail can avoid mail loss.

POP3 is more likely to lose emails and cannot download the same email multiple times (many current POP3 email servers already support retaining original emails and support multiple downloads).

5. IMAP provides access to emails from multiple devices (such as mobile phones, computers, tablets, etc.), making it easy to check emails anytime and anywhere.

6. The summary browsing function provided by IMAP makes it easy to check the arrival time, subject, sender, size and other information of the email, and then decide whether to download and open it.

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