should use pop3 or imap

SMTP Protocol Introduction     1. IntroductionSMTP is called Simple Mail transmission protocol (Simple Mail Transfer Protocal). It aims to provide efficient and reliable mail Transmission for users.. An important feature of SMTP is

The SMTP protocol requires that the MTA that receives the mail be responsible for sending the mail to the final destination, which may be the mailbox of the local system or other hosts on the same network, this process is called delivery ). This

IMAP (Internet Message Access Protocol) is another protocol that corresponds to the POP3, a multiple mailbox e-mail system developed by Stanford University in the United States in 1986. It has the advantages of high performance and scalability by

In terms of email, POP and IMAP are the most famous protocols. I don't need to talk about the POP protocol. Many users will be familiar with this protocol when setting some mailbox binding functions. Some friends may not understand the IMAP protocol.

IMAP (Internet Message Access Protocol) is another protocol that corresponds to POP3. It is a multi-Mailbox email system developed by Stanford University in 1986. It can obtain information about e-mail from the mail server or receive emails directly,

Reprint Please specify source: http://blog.csdn.net/qq_26525215This article is from the "university trip _ Remember the blog" Introduction to e-mail protocol:Mail server, according to the type of service provided, can be divided into the server

http://blog.csdn.net/bripengandre/article/details/2192111 POP3 Protocol Analysis     1th Chapter. POP3 Overview POP3 is all called the Post office Protocol Version3, the Post Office Protocol version 3rd. It is used by the user agent to get mail from

/** * 可以在props下设置认证信息，协议和端口信息，超时等信息，这样在store.connect的时候可以根 * 据props里是否设置了认证信息来选择不带参数的connect()或者如下有参数的connect(...)方法 * store.connect(user, password); store.connect(host, user, password); */ Properties props = System.getProperties();

POP3 protocol analysisChapter 4. POP3 Overview POP3 is called Post Office Protocol version3, that is, Post Office Protocol version 3rd. It is used by the user agent to obtain the mail on the mail server. POP3 uses the C/S communication model, and

When you create Sendmail or any other standard SMTP server, it is important to remember that this is the only way to transfer information between your Linux host and other mail servers. In order for your users to retrieve their information, you need