Definition of Simple mail transfer protocol

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Simple Mail Transfer Protocol
<messaging> (SMTP) A protocol defined in STD 10, RFC 821, used to transfer electronic mail between computers, usually over Ethernet. It is a server to server protocol, so other protocols are used to access the messages. The SMTP dialog usually happens in the background under the control of the message transfer agent, e.g. sendmail but it is possible to interact with an SMTP server using telnet to connect to the normal SMTP port, 25. E.g.
telnet mhs-relay.ac.uk 25
You should normally start by identifying the local host:
HELO wombat.doc.ic.ac.uk
You can then issue commands to verify an address or expand an alias:
VRFY fred@doc.ic.ac.uk VRFY postmaster
or expand a mailing list:
EXPN c-help
You can even send a message:
MAIL From:fred@doc.ic.ac.uk RCPT To:fred@mailway.doc.ic.ac.uk DATA What is the point? . QUIT
This is useful if you want to find out exactly what is happening to your message at a certain point.
See also Post Office ProtocolRFC 822sendmail.
(1995-10-17)

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Simple Mail Transfer Protocol definition was found in categories: Science & Technology(1)  Computer & Internet(5)  Language, Idioms & Slang(1)  Encyclopedia(1)  

Simple Mail Transfer Protocol Definition from Science & Technology Dictionaries & Glossaries

Telecommunication Standard Terms
Simple Mail Transfer Protocol (SMTP)
The Transmission Control Protocol/Internet Protocol (TCP/IPstandard protocol that facilitates transfer of electronic-mail messages, specifies how two systems are to interact, and specifies the format of messages used to control the transfer of electronic mail.


Simple Mail Transfer Protocol Definition from Computer & Internet Dictionaries & Glossaries

A Glossary of Internet & PC Terminology
SMTP
Simple Mail Transfer Protocol. An accepted standard used extensively on the Internet for transferring E-mail messages between computers - The standard defines exactly how the message will be sent, any controls, format of the message etc.

WebGuest Web Glossary
SMTP - Simple Mail Transfer Protocol
Main protocol  to send and receive email between servers  on the Internet  .

Jensen's Technology Glossary
SMTP
A standard protocol that defines how e-mail messages are transferred between servers. SMTP defines only ASCII text content, necessitating the MIME standard for nontext attachments.
(See Internet Messaging ).

Internetworking Terms
Simple Mail Transfer Protocol
A protocol, defined in STD 10, RFC 821, used to transfer electronic mail between computers. It is a server to server protocol, so other protocols are used to access the messages. See also: Electronic Mail, Post Office Protocol, RFC 822.

The Internet Dictionary
SMTP
(Simple Mail Transfer Protocol). Set of explicit steps that must be used by one Internet computer to connect to another computer to transmit a message to its next stop. The standard protocol on the Internet for transferring electronic mail messages.


Simple Mail Transfer Protocol Definition from Language, Idioms & Slang Dictionaries & Glossaries

hEnglish - advanced version
simple mail transfer protocol

simple mail transfer protocol
(smtp) a protocol defined in std 10, rfc 821, used to transfer electronic mail between computers, usually over ethernet. it is a server to server protocol, so other protocols are used to access the messages. the smtp dialog usually happens in the background under the control of the message transport system, e.g. sendmail but it is possible to interact with an smtp server using telnet to connect to the normal smtp port, 25. e.g.



Simple Mail Transfer Protocol Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (SMTP) is the de facto standard for e-mail transmissions across the Internet. Formally SMTP is defined in RFC 821 (STD 10) as amended by RFC 1123 (STD 3) chapter 5. The protocol used today is also known as ESMTP and defined in RFC 2821.

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