mail server protocols

Introduction to Basic concepts of e-maile-mail is used for online confidence delivery and communication, and it is one of the most important Internet services. According to statistics, 30% of the business of the Internet is email related. At the

Small Q: a rain, a paper pad, leaning West Wind, but see right and wrong, empty looking back homeward bound, eventually not like as always.===========================================================Our commonly used e-mail protocols are

Network application is the reason why computer networks exist. If we don't envision any useful Web applications, then there's no need to design a network protocol that supports them. However, in the past 30 years, many people have devised a large

e-mail protocol has SMTP, POP2, POP3, IMAP4, etc., are subordinate to the TCP/IP protocol cluster, by default, the connection is established through TCP ports 25, 110 and 143 respectively. For different purposes and functions, we will adjust the

The mail server forms the core of the e-mail system. Each recipient has a mailbox (mailbox) located on a mail server. Bob's mailbox is used to manage and maintain mail messages that have been sent to him. A typical journey of a mail message is to

The history of email is longer than the web, until now, email is also a very broad application of the Internet services. Almost all programming languages support sending and receiving e-mail, but wait, before we start coding, it's important to

First, the basic knowledge cardingMUA (Mail User Agent)MUA is both a "mail user agent", because unless you can directly use software like Telnet to log in to the mail host, you will have to send mail to the email host through MUA. The most common

e-mail communication system protocols and concepts:Software roles:MUA: Mail clientMTA: Mail Service sideMDA: Mail server-side moduleMail client: Mail user agentMail server: Mail Transfer agent, message transfer agentsmodule/function on mail server:

Overview 1, mail-related standards The JavaMail service program provided by the manufacturer can selectively implement certain mail protocols, and common mail protocols include: SMTP (Simple Mail Transfer Protocol): The Easy Mail Transfer

Directory:I. OverviewSecond, MX settingsThird, using the system's SMTP function to send mailIv. using hMailServer to send and receive mailV. Web mail clientI. OverviewFirst of all, it must be clear that SMTP is the core of providing mail servers,