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Greylisting

Index Greylisting

Greylisting is a method of defending e-mail users against spam. [1]

33 relations: Apache SpamAssassin, Bandwidth throttling, Bounce address, Bounce Address Tag Validation, Bounce message, Conference on Email and Anti-Spam, Courier Mail Server, DNSBL, Dynamic Host Configuration Protocol, Email, Email address, Email spam, Exim, Internet Engineering Task Force, IP address, IPv6, John R. Levine, Link aggregation, Message transfer agent, Microsoft Exchange Server, Nolisting, OpenBSD, Postfix (software), Qmail, Sender Policy Framework, Sender Rewriting Scheme, Sendmail, Simple Mail Transfer Protocol, Spamd, Tarpit (networking), Variable envelope return path, Whitelisting, Yahoo!.

Apache SpamAssassin

SpamAssassin is a computer program used for e-mail spam filtering.

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Bandwidth throttling

Bandwidth throttling is the intentional slowing or speeding of an Internet service by an Internet service provider (ISP).

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Bounce address

A bounce address is an email address to which bounce messages are delivered.

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Bounce Address Tag Validation

In computing, Bounce Address Tag Validation (BATV) is a method, defined in an Internet Draft, for determining whether the bounce address specified in an E-mail message is valid.

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Bounce message

A bounce message or just "bounce" is an automated message from a mail system, informing the sender of a previous message that that message had not been delivered (or some other delivery problem occurred).

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Conference on Email and Anti-Spam

The Conference on Email and Anti-Spam (CEAS) is an annual scientific conference sponsored by Microsoft on subjects relating to email use and abuse (the latter being commonly known as "spam").

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Courier Mail Server

The Courier mail server is a mail transfer agent (MTA) server that provides ESMTP, IMAP, POP3, SMAP, webmail, and mailing list services with individual components.

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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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Dynamic Host Configuration Protocol

The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

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Email

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 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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Exim

Exim is a mail transfer agent (MTA) used on Unix-like operating systems.

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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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IP address

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

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IPv6

Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.

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John R. Levine

John R. Levine is an Internet author and consultant specializing in email infrastructure, spam filtering, and software patents.

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Link aggregation

In computer networking, the term link aggregation applies to various methods of combining (aggregating) multiple network connections in parallel in order to increase throughput beyond what a single connection could sustain, and to provide redundancy in case one of the links should fail.

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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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Nolisting

Nolisting is the name given to a technique to defend electronic mail domain names against e-mail spam.

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OpenBSD

OpenBSD is a free and open-source Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.

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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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Qmail

qmail is a mail transfer agent (MTA) that runs on Unix.

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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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Simple Mail Transfer Protocol

Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (email) transmission.

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Spamd

spamd is a ISC-licensed lightweight spam-deferral daemon written under the umbrella of the OpenBSD project.

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Tarpit (networking)

A tarpit (also known as Teergrube, the German word for tarpit) is a service on a computer system (usually a server) that purposely delays incoming connections.

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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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Whitelisting

Whitelisting is the practice of identifying entities that are provided a particular privilege, service, mobility, access or recognition.

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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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References

[1] https://en.wikipedia.org/wiki/Greylisting

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