pop3 is the third version of the post office protocol, which specifies the protocol for personal computers to connect to Internet mail servers and download emails; imap is the Internet Mail Access Protocol, through which mail clients can obtain mail. Email information, email downloading, sending, etc. on the server.
The operating environment of this article: Windows 7 system, Dell G3 computer.
1,
IMAP is the abbreviation of "Internet Mail Access Protocol", which is the Internet mail access protocol. The mail client can obtain the information on the mail server through this protocol. Email information, email downloading, sending, etc.
POP3 is the abbreviation of "Post Office Protocol - Version 3". It is the third version of the post office protocol. It specifies the protocol for personal computers to connect to the Internet's mail server and download e-mails. .
2,
IMAP does not need to download all the emails on the server (according to Actually need to download), you can operate the email through the email client.
POP3 allows downloading of emails on the mail server (downloading all unread emails), when emails are sent from the server to the computer, and simultaneously deleting emails on the mail server (currently many Mail servers all support "download emails without deleting emails or sending reminders").
3.
IMAP provides two-way communication between WebMail and the mail client. Operations (such as: read, delete, move emails, etc.) will be fed back to the mail server. When operating mails on WebMail, they will also be fed back to the mail client (ie: log in to the mailbox to view on the mailbox client or browser. The email and status are consistent).
POP3 operations on the client (such as: read, delete, move mail, etc.) will not be fed back to the mail server, such as: moving mail on the client to other folder, these emails will not be moved at the same time on the mail server.
4、
IMAP provides a more convenient, stable and reliable user experience, through WebMail and Two-way communication between clients 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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