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
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 linuxas5.5, test postfix + cyrus-imap + cyrus-sasl -- Linux Enterprise Application-Linux server application information. For details, see the following. Test environment:
Cat/proc/version
Linux version 2.6.18-194. el5xen
[Root @ mail ~] #
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,
Do you understand the concepts related to IMAP? In general mail settings, we may encounter this setting. We need a system to understand this IMAP service. Now let's take a look at the specific definition. Internet Information Access Protocol (IMAP)
Before accessing the Google IMAP server, we need the OpenSSL tool. telnet is not powerful when it encounters a connection that requires SSL.
OpenSSL:
Http://www.openssl.org/source/
For how to compile the OpenSSL library, see my other blog.
For imap protocol specifications, refer to rfc3501. IMAP is a mail receiving protocol corresponding to POP3. The difference is that imap can use commands to operate emails stored on the server, you can decide whether to download the email to the
Postfix + courier-IMAP:
Use Postfix to build an email server in Ubuntu
Http://blog.csdn.net/bird_wang/article/details/4225113
Postfixbasicsetuphowto
Https://help.ubuntu.com/community/PostfixBasicSetupHowto
Courier-imap + squirrelmail:
Use
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