Web24 Mar 2024 · 1. Control Connection: For sending control information like user identification, password, commands to change the remote directory, commands to retrieve and store files, etc., FTP makes use of a control connection. The control connection is initiated on port number 21. 2. Data connection: For sending the actual file, FTP makes use of a data … Web正确答案:A 解析:如果使用[email protected]电子邮箱发送电子邮件到[email protected]时,则从发刊:人计算机到126邮件服务器使用SMTP协议,126邮件服务器到sina邮件服务器之间也使用SMTP协议,收件人计算机从sina邮件服务器接收该电子邮件使用POP3协议。
Application Layer Protocols: DNS, FTP, SMTP, and MIME …
WebSMTP stands for simple mail transfer protocol. This type of protocol allows applications to transmit email messages over the internet device. SMTP handles your own outgoing mail. Your email application is connected to your mail server via the SMTP and sends the message. Learn more about the Features of IMAP Difference between SMTP and HTTP: WebIncoming vs. outgoing protocols. POP3 and IMAP are handling the incoming emails and they operate in different ways to retrieve or access your email messages. Thus, they are considered mail access protocols. On the other hand, the Simple Mail Transfer Protocol is behind the message transfer from server to server, or mail client to server. dazzling night coupon code
What is meant by FTP, SMPT, TELNET? - Quora
Web24 Jan 2024 · FTP vs SMTP (Source: Afternerd) FTP uses separate connections for control and data transfer between the client and server. Meanwhile, SMTP uses a single connection for both control and data transfer. FTP transfers files in their native format, and SMTP transfers email messages in a standardized MIME format. WebSMTP defines a process for exchanging data between an email client and a mail server. An email client is what a user interacts with: the computer or web application where they access and send emails. A mail server is a specialized computer for sending, receiving, and forwarding emails; users do not interact directly with mail servers. WebHTTP works similar to the combine functions of FTP and SMTP. Similar to the functioning of FTP because like FTP, it transfers file using service of TCP. But it uses only one TCP connection i.e. data connection, no separate Control Connection is used in HTTP. HTTP uses services of TCP on port no 80. HTTP is similar to SMTP because the data ... gears of war 2 commercial song