How does SMTP detect the end of the body of an email message?

How does SMTP detect the end of the body of an email message?

The line in the message body containing period at end indicates the message body. Therefore, SMTP uses period (‘. ‘) to mark the end of the message body.

How SMTP handles a mail transfer from Alice to Bob?

After some initial SMTP handshaking, the SMTP client sends Alice’s message into the TCP connection. At Bob’s mail server host, the server side of SMTP receives the message. Bob’s mail server then places the message in Bob’s mailbox. Bob invokes his user agent to read the message at his convenience.

What is the difference between mail from in SMTP and from in the mail message itself?

MAIL FROM: in SMTP is a message from the SMTP client that identifies the sender of the mail message to the SMTP server. From: on the mail message itself is NOT an SMTP message, but rather is just a line in the body of the mail message.

What is SMTP It is used for which purpose?

SMTP is a protocol used to transfer e-mail messages and attachments. SMTP is used to transmit e-mail between e-mail servers and from e-mail clients (such as Microsoft Outlook) to e-mail servers (such as Microsoft Exchange).

How does SMTP flow?

SMTP Email flow When you send an email your client uses SMTP to transmit the email to your outbound server. The smtp server then looks up the correct server to deliver the email to based on the email domain and sends the email on to the next server, again using the SMTP protocol.

How does SMTP protocol work?

Simple Mail Transfer Protocol (SMTP) is based on end-to-end message delivery. An Simple Mail Transfer Protocol (SMTP) client contacts the destination host’s Simple Mail Transfer Protocol (SMTP) server on well-known port 25, to deliver the mail. The client then waits for the server to send a 220 READY FOR MAIL message.

What is the HTTP protocol?

Hypertext Transfer Protocol (HTTP) is an application-layer protocol for transmitting hypermedia documents, such as HTML. It was designed for communication between web browsers and web servers, but it can also be used for other purposes.

What is the difference between the mail from SMTP message and the From line within the data message?

From: in the mail message is the part of the mail message itself. Whereas MAIL FROM: is one of the SMTP protocol commands. SMTP client sends the e-mail address of the sender of the message to SMTP server using the command MAIL FROM: while SMTP handshaking phase.

Which protocol is used for Alice sending an email to her mail server?

HTTP protocol is used to send the message from Alice browser to web-based mail server. From the Web-based mail server, the message of the Alice is sent via SMTP (SMTP acts as Alice client server) server. The message is sent to Bob’s mail server though the SMTP server (SMTP acts as Bob’s server).

What is HTTP and SMTP?

SMTP and HTTP are both network layer protocols that are used to transfer information between hosts. SMTP is used to transfer emails between mail servers, while HTTP is used to transfer data from a web server to a web client. Let’s take a look at the significant differences between SMTP and HTTP.

What is SMTP in ICT?

Stands for “Simple Mail Transfer Protocol.” This is the protocol used for sending e-mail over the Internet. Your e-mail client (such as Outlook, Eudora, or Mac OS X Mail) uses SMTP to send a message to the mail server, and the mail server uses SMTP to relay that message to the correct receiving mail server.

What is SMTP in web technology?

Simple Mail Transfer Protocol (SMTP) is the standard protocol for email services on a TCP/IP network. SMTP provides the ability to send and receive email messages. SMTP is an application-layer protocol that enables the transmission and delivery of email over the Internet.

How does SMTP mark the end of a message body?

Simple Mail Transport Protocol (SMTP) uses a line containing only a period to mark the end of a message body. Hyper Text transport Protocol (HTTP) uses “Content-Length header field” to indicate the length of a message body.

Can a HTTP response message have an empty message?

HTTP response messages never have an empty message body. True, because an HTTP response message will give a “404-file not found” error if the file was not found (Unbelievable, right?) P2. Read RFC 959 for FTP.

What does the header in the HTTP response message indicate?

The Date : header in the HTTP response message indicates when the object in the response was last modified. False, because the date is the time at which the request was created and not when the object was last modified. e. HTTP response messages never have an empty message body.

What does the MTA stand for in SMTP?

Source: http://www.ietf.org/rfc/rfc5321.txt MTA stands for Mail Transfer Agents. MTA is the mail transport service that is provided by clients and servers in SMTP. On the opposing end are MUAs, which are Mail User Agents, who are usually the sources and targets of the mail.