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106 relations: ARPANET, ASCII, Authentication, BBN Technologies, Berkeley Software Distribution, Blacklist (computing), Bounce address, Chinese characters, Chinese language, Client (computing), Connection-oriented communication, Cyrillic script, Diacritic, DMARC, DNSBL, Domain name, Domain Name System, DomainKeys, DomainKeys Identified Mail, Email, Email address, Email box, Email client, Email encryption, Email forwarding, Email spam, Email spoofing, Eric Allman, Exim, Extended SMTP, File Transfer Protocol, Full stop, Fully qualified domain name, Gmail, Google, Greek language, Greylisting, GroupWise, IBM Notes, Ident protocol, Instant messaging, Internet Engineering Task Force, Internet Mail 2000, Internet Message Access Protocol, Internet service provider, Internet Standard, John Klensin, Jon Postel, Keith Moore, Latin script, ..., List of DNS record types, List of TCP and UDP port numbers, Local Mail Transfer Protocol, M+NetMail, Mail delivery agent, Mail Transfer Protocol, Mailbox provider, Mainframe computer, Mbox, Message submission agent, Message transfer agent, Microsoft Exchange Server, MIME, Mojibake, MX record, Ned Freed, Network effect, Octet (computing), Open mail relay, Opportunistic TLS, Oracle Communications Messaging Server, Outlook.com, PC World, PDP-10, Phishing, POP before SMTP, Port (computer networking), Post Office Protocol, Postfix (software), Push technology, Qmail, Ray Tomlinson, Sender Policy Framework, Sender Rewriting Scheme, Sendmail, Server (computing), Smart host, SMTP Authentication, SMTPS, Software agent, Spamming, Store and forward, Text-based protocol, Tom Van Vleck, Transmission Control Protocol, Transport Layer Security, Usenet, Usenet newsgroup, UTF-8, UUCP, Variable envelope return path, Webmail, World Wide Web, Yahoo!, Yahoo! Mail, 8-bit clean. Expand index (56 more) »
ARPANET
The Advanced Research Projects Agency Network (ARPANET) was an early packet switching network and the first network to implement the protocol suite TCP/IP.
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ASCII
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
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Authentication
Authentication (from authentikos, "real, genuine", from αὐθέντης authentes, "author") is the act of confirming the truth of an attribute of a single piece of data claimed true by an entity.
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BBN Technologies
BBN Technologies (originally Bolt, Beranek and Newman) is an American high-technology company which provides research and development services.
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Berkeley Software Distribution
Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.
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Blacklist (computing)
In computing, a blacklist or block list is a basic access control mechanism that allows through all elements (email addresses, users, passwords, URLs, IP addresses, domain names, file hashes, etc.), except those explicitly mentioned.
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Bounce address
A bounce address is an email address to which bounce messages are delivered.
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Chinese characters
Chinese characters are logograms primarily used in the writing of Chinese and Japanese.
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Chinese language
Chinese is a group of related, but in many cases mutually unintelligible, language varieties, forming a branch of the Sino-Tibetan language family.
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Client (computing)
A client is a piece of computer hardware or software that accesses a service made available by a server.
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Connection-oriented communication
Connection-oriented communication is a network communication mode in telecommunications and computer networking, where a communication session or a semi-permanent connection is established before any useful data can be transferred, and where a stream of data is delivered in the same order as it was sent.
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Cyrillic script
The Cyrillic script is a writing system used for various alphabets across Eurasia (particularity in Eastern Europe, the Caucasus, Central Asia, and North Asia).
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Diacritic
A diacritic – also diacritical mark, diacritical point, diacritical sign, or an accent – is a glyph added to a letter, or basic glyph.
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DMARC
Domain-based Message Authentication, Reporting and Conformance (DMARC) is an email-validation system designed to detect and prevent email spoofing.
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DNSBL
A Domain Name System-based Blackhole List (DNSBL) or Real-time Blackhole List (RBL) is an effort to stop email spamming.
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Domain name
A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet.
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Domain Name System
The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
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DomainKeys
DomainKeys (informally DK) is a deprecated e-mail authentication system designed by Yahoo to verify the domain name of an e-mail sender and the message integrity.
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DomainKeys Identified Mail
DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect email spoofing.
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Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices.
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Email address
An email address identifies an email box to which email messages are delivered.
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Email box
An email box (also email mailbox, e-mailbox) is the destination to which electronic mail messages are delivered.
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Email client
In Internet, an email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email.
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Email encryption
Email encryption is encryption of email messages to protect the content from being read by other entities than the intended recipients.
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Email forwarding
Email forwarding generically refers to the operation of re-sending an email message delivered to one email address to a possibly different email address(es).
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Email spam
Email spam, also known as junk email, is a type of electronic spam where unsolicited messages are sent by email.
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Email spoofing
Email spoofing is the creation of email messages with a forged sender address.
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Eric Allman
Eric Paul Allman (born September 2, 1955) is an American computer programmer who developed sendmail and its precursor delivermail in the late 1970s and early 1980s at UC Berkeley.
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Exim
Exim is a mail transfer agent (MTA) used on Unix-like operating systems.
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Extended SMTP
Extended SMTP (ESMTP), sometimes referred to as Enhanced SMTP, is a definition of protocol extensions to the Simple Mail Transfer Protocol standard.
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File Transfer Protocol
The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.
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Full stop
The full point or full stop (British and broader Commonwealth English) or period (North American English) is a punctuation mark.
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Fully qualified domain name
A fully qualified domain name (FQDN), sometimes also referred to as an absolute domain name,RFC 1035, Domain names: implementation and specification is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS).
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Gmail
Gmail is a free, advertising-supported email service developed by Google.
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Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.
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Greek language
Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.
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Greylisting
Greylisting is a method of defending e-mail users against spam.
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GroupWise
GroupWise is a messaging and collaboration platform from Micro Focus that supports email, calendaring, personal information management, instant messaging, and document management.
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IBM Notes
IBM Notes (formerly Lotus Notes; see branding, below) and IBM Domino (formerly Lotus Domino) are the client and server, respectively, of a collaborative client-server software platform sold by IBM.
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Ident protocol
The Ident Protocol (Identification Protocol, IDENT), specified in RFC 1413, is an Internet protocol that helps identify the user of a particular TCP connection.
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Instant messaging
Instant messaging (IM) technology is a type of online chat that offers real-time text transmission over the Internet.
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Internet Engineering Task Force
The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).
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Internet Mail 2000
Internet Mail 2000 is an Internet mail architecture proposed by Daniel J. Bernstein (and in subsequent years separately proposed by several others), designed with the precept that the initial storage of mail messages be the responsibility of the sender, and not of the recipient as it is with the SMTP-based Internet mail architecture.
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Internet Message Access Protocol
In computing, the Internet Message Access Protocol (IMAP) is an Internet standard protocol used by email clients to retrieve email messages from a mail server over a TCP/IP connection.
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Internet service provider
An Internet service provider (ISP) is an organization that provides services for accessing, using, or participating in the Internet.
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Internet Standard
In computer network engineering, an Internet Standard is a normative specification of a technology or methodology applicable to the Internet.
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John Klensin
John C. Klensin is a political scientist and computer science professional who is active in Internet-related issues.
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Jon Postel
Jonathan Bruce Postel (August 6, 1943 – October 16, 1998) was an American computer scientist who made many significant contributions to the development of the Internet, particularly with respect to standards.
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Keith Moore
Keith Moore (born October 12, 1960) is the author and co-author of several IETF RFCs related to the MIME and SMTP protocols for electronic mail, among others.
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Latin script
Latin or Roman script is a set of graphic signs (script) based on the letters of the classical Latin alphabet, which is derived from a form of the Cumaean Greek version of the Greek alphabet, used by the Etruscans.
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List of DNS record types
This list of DNS record types is an overview of resource records (RRs) permissible in zone files of the Domain Name System (DNS).
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List of TCP and UDP port numbers
This is a list of TCP and UDP port numbers used by protocols of the application layer of the Internet protocol suite for the establishment of host-to-host connectivity.
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Local Mail Transfer Protocol
The Local Mail Transfer Protocol (LMTP) is a derivative of ESMTP, the extension of the Simple Mail Transfer Protocol (SMTP).
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M+NetMail
M+NetMail is an ISP-grade E-mail package by Messaging Architects.
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Mail delivery agent
A mail delivery agent or message delivery agent (MDA) is a computer software component that is responsible for the delivery of e-mail messages to a local recipient's mailbox.
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Mail Transfer Protocol
The Mail Transfer Protocol (MTP) is an obsolete network protocol used to reliably transfer mail.
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Mailbox provider
A mailbox provider, mail service provider or email service provider is a provider of email hosting.
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Mainframe computer
Mainframe computers (colloquially referred to as "big iron") are computers used primarily by large organizations for critical applications; bulk data processing, such as census, industry and consumer statistics, enterprise resource planning; and transaction processing.
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Mbox
Mbox is a generic term for a family of related file formats used for holding collections of email messages, first implemented for Fifth Edition Unix.
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Message submission agent
A message submission agent (MSA) or mail submission agent is a computer program or software agent that receives electronic mail messages from a mail user agent (MUA) and cooperates with a mail transfer agent (MTA) for delivery of the mail.
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Message transfer agent
Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture.
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Microsoft Exchange Server
Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft.
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MIME
Multipurpose Internet Mail Extensions (MIME) is an Internet standard that extends the format of email to support.
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Mojibake
Mojibake (文字化け) is the garbled text that is the result of text being decoded using an unintended character encoding.
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MX record
A mail exchanger record (MX record) is a type of certified and verified resource record in the Domain Name System that specifies a mail server responsible for accepting email messages on behalf of a recipient's domain, and a preference value used to prioritize mail delivery if multiple mail servers are available.
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Ned Freed
Ned Freed has contributed as an IETF participant and RFC writer to a significant number of internet protocol standards.
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Network effect
A network effect (also called network externality or demand-side economies of scale) is the positive effect described in economics and business that an additional user of a good or service has on the value of that product to others.
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Octet (computing)
The octet is a unit of digital information in computing and telecommunications that consists of eight bits.
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Open mail relay
An open mail relay is an SMTP server configured in such a way that it allows anyone on the Internet to send e-mail through it, not just mail destined to or originating from known users.
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Opportunistic TLS
Opportunistic TLS (Transport Layer Security) refers to extensions in plain text communication protocols, which offer a way to upgrade a plain text connection to an encrypted (TLS or SSL) connection instead of using a separate port for encrypted communication.
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Oracle Communications Messaging Server
Oracle Communications Messaging Server is Oracle's messaging (email) server software.
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Outlook.com
Outlook.com is a web-based suite of webmail, contacts, tasks, and calendaring services from Microsoft.
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PC World
PC World, stylized PCWorld, is a global computer magazine published monthly by IDG.
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PDP-10
The PDP-10 is a mainframe computer family manufactured by Digital Equipment Corporation (DEC) from 1966 into the 1980s.
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Phishing
Phishing is the fraudulent attempt to obtain sensitive information such as usernames, passwords, and credit card details (and money), often for malicious reasons, by disguising as a trustworthy entity in an electronic communication.
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POP before SMTP
POP before SMTP or SMTP after POP is a method of authentication used by mail server software which helps allow users the option to send e-mail from any location, as long as they can demonstrably also fetch their mail from the same place.
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Port (computer networking)
In computer networking, a port is an endpoint of communication in an operating system, which identifies a specific process or a type of network service running on that system.
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Post Office Protocol
In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a server in an Internet Protocol (IP) network.
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Postfix (software)
Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail.
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Push technology
Push technology, or server push, is a style of Internet-based communication where the request for a given transaction is initiated by the publisher or central server.
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Qmail
qmail is a mail transfer agent (MTA) that runs on Unix.
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Ray Tomlinson
Raymond Samuel Tomlinson (April 23, 1941 – March 5, 2016) was a pioneering American computer programmer who implemented the first email program on the ARPANET system, the precursor to the Internet, in 1971; he is internationally known and credited as the inventor of email.
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Sender Policy Framework
Sender Policy Framework (SPF) is an email validation protocol designed to detect and block email spoofing by providing a mechanism to allow receiving mail exchangers to verify that incoming mail from a domain comes from an IP Address authorized by that domain's administrators. The list of authorized sending hosts and IP addresses for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record.
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Sender Rewriting Scheme
For a mail transfer agent (MTA), the Sender Rewriting Scheme (SRS) is a scheme for rewriting the envelope sender address of an email message, in view of remailing it.
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Sendmail
Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.
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Server (computing)
In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".
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Smart host
A smart host is a type of email message transfer agent that allows a Simple Mail Transfer Protocol (SMTP) server to route email to an intermediate mailserver rather than directly to the recipient's server.
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SMTP Authentication
SMTP Authentication, often abbreviated SMTP AUTH, is an extension of the Simple Mail Transfer Protocol whereby an SMTP client may log in using an authentication mechanism chosen among those supported by the SMTP server.
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SMTPS
SMTPS (Simple Mail Transfer Protocol Secure) is a deprecated method for securing SMTP with transport layer security.
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Software agent
In computer science, a software agent is a computer program that acts for a user or other program in a relationship of agency, which derives from the Latin agere (to do): an agreement to act on one's behalf.
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Spamming
Electronic spamming is the use of electronic messaging systems to send an unsolicited message (spam), especially advertising, as well as sending messages repeatedly on the same site.
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Store and forward
Store and forward is a telecommunications technique in which information is sent to an intermediate station where it is kept and sent at a later time to the final destination or to another intermediate station.
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Text-based protocol
A text-based protocol or plain text protocol is a communications protocol whose content representation is in human-readable format.
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Tom Van Vleck
Tom Van Vleck is an American computer software engineer.
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Transmission Control Protocol
The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.
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Transport Layer Security
Transport Layer Security (TLS) – and its predecessor, Secure Sockets Layer (SSL), which is now deprecated by the Internet Engineering Task Force (IETF) – are cryptographic protocols that provide communications security over a computer network.
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Usenet
Usenet is a worldwide distributed discussion system available on computers.
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Usenet newsgroup
A Usenet newsgroup is a repository usually within the Usenet system, for messages posted from many users in different locations using Internet.
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UTF-8
UTF-8 is a variable width character encoding capable of encoding all 1,112,064 valid code points in Unicode using one to four 8-bit bytes.
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UUCP
UUCP is an abbreviation of Unix-to-Unix Copy.
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Variable envelope return path
Variable envelope return path (VERP) is a technique used by some electronic mailing list software to enable automatic detection and removal of undeliverable e-mail addresses.
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Webmail
Webmail (or web-based email) is any email client implemented as a web application running on a web server.
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World Wide Web
The World Wide Web (abbreviated WWW or the Web) is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet.
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Yahoo!
Yahoo! is a web services provider headquartered in Sunnyvale, California and wholly owned by Verizon Communications through Oath Inc..
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Yahoo! Mail
Yahoo! Mail is an e-mail service launched in 1997 through the American parent company Yahoo.
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8-bit clean
8-bit clean describes a computer system that correctly handles 8-bit character encodings, such as the ISO 8859 series and the UTF-8 encoding of Unicode.
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Redirects here:
Bsmtp, E-mail structure, Mail protocol, Mail stop code, Port 25, Port 587, RFC 2821, RFC 5321, RFC 821, RFC2821, SMTP, SMTP greeting, SMTP protocol, SMTP server, Secure SMTP, Simple Mail Transport Protocol, Simple mail transfer protocol, Simple mail transport protocol, Smtp, Smtp greeting, Smtp server, TCP port 25.
References
[1] https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol
