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qmail is a mail transfer agent (MTA) that runs on Unix. [1]

42 relations: Bogofilter, Bounce message, C (programming language), C standard library, Clam AntiVirus, Comparison of mail servers, Computer security, Courier Mail Server, Daemontools, Daniel J. Bernstein, Debian Free Software Guidelines, Djbdns, Fetchmail, Heap overflow, Integer overflow, Internet Engineering Task Force, License-free software, List of mail server software, Maildir, Mbox, MD5, Message transfer agent, Network File System, PCBoard, Public domain, Public-domain software, Qpsmtpd, Quick Mail Queuing Protocol, Quick Mail Transfer Protocol, Race condition, Russ Nelson, Sendmail, Simple Mail Transfer Protocol, Source code, Stack buffer overflow, Ucspi-tcp, Uncontrolled format string, Unix, Unix-like, User identifier, Vulnerability (computing), Wiki.

Bogofilter

Bogofilter is a mail filter that classifies e-mail as spam or ham (non-spam) by a statistical analysis of the message's header and content (body).

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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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C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

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C standard library

The C standard library or libc is the standard library for the C programming language, as specified in the ANSI C standard.

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Clam AntiVirus

Clam AntiVirus (ClamAV) is a free, cross-platform and open-source antivirus software toolkit able to detect many types of malicious software, including viruses.

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Comparison of mail servers

This is a comparison of mail servers: mail transfer agents, mail delivery agents, and other computer software that provide e-mail services.

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Computer security

Cybersecurity, computer security or IT security is the protection of computer systems from theft of or damage to their hardware, software or electronic data, as well as from disruption or misdirection of the services they provide.

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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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Daemontools

daemontools is the "seminal process supervision toolkit" written by Daniel J. Bernstein as an improvement to the inittab, /etc/ttys, init.d or rc.local alternatives, providing all of the following features.

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Daniel J. Bernstein

Daniel Julius Bernstein (sometimes known simply as djb; born October 29, 1971) is a German-American mathematician, cryptologist, and programmer.

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Debian Free Software Guidelines

The Debian Free Software Guidelines (DFSG) is a set of guidelines that the Debian Project uses to determine whether a software license is a free software license, which in turn is used to determine whether a piece of software can be included in Debian.

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Djbdns

The djbdns software package is a DNS implementation.

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Fetchmail

Fetchmail is an open source software utility for POSIX-compliant operating systems which is used to retrieve e-mail from a remote POP3, IMAP, ETRN or ODMR mail server to the user's local system.

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Heap overflow

A heap overflow or heap overrun is a type of buffer overflow that occurs in the heap data area.

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Integer overflow

In computer programming, an integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of bits – either larger than the maximum or lower than the minimum representable value.

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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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License-free software

License-free software is computer software that is not explicitly in the public domain, but the software owner has not made explicit the terms of the license which makes the software fully copyright protected according to the Berne convention.

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List of mail server software

This is a list of mail server software: mail transfer agents, mail delivery agents, and other computer software which provide e-mail within Internet message handling services (MHS).

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Maildir

The Maildir e-mail format is a common way of storing e-mail messages, where each message is kept in a separate file with a unique name, and each folder is a directory.

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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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MD5

The MD5 algorithm is a widely used hash function producing a 128-bit hash value.

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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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Network File System

Network File System (NFS) is a distributed file system protocol originally developed by Sun Microsystems in 1984, allowing a user on a client computer to access files over a computer network much like local storage is accessed.

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PCBoard

PCBoard (PCB) was a bulletin board system (BBS) application first introduced for DOS in 1983 by Clark Development Company.

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Public domain

The public domain consists of all the creative works to which no exclusive intellectual property rights apply.

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Public-domain software

Public-domain software is software that has been placed in the public domain: in other words, there is absolutely no ownership such as copyright, trademark, or patent.

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Qpsmtpd

qpsmtpd is an SMTP daemon written in Perl.

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Quick Mail Queuing Protocol

Quick Mail Queuing Protocol (QMQP) is a network protocol designed to share e-mail queues between several hosts.

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Quick Mail Transfer Protocol

The Quick Mail Transfer Protocol (QMTP) is an e-mail transmission protocol that is designed to have better performance than Simple Mail Transfer Protocol (SMTP), the de facto standard.

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Race condition

A race condition or race hazard is the behavior of an electronics, software, or other system where the output is dependent on the sequence or timing of other uncontrollable events.

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Russ Nelson

Russell "Russ" Nelson (born March 21, 1958) is an American computer programmer.

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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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Source code

In computing, source code is any collection of code, possibly with comments, written using a human-readable programming language, usually as plain text.

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Stack buffer overflow

In software, a stack buffer overflow or stack buffer overrun occurs when a program writes to a memory address on the program's call stack outside of the intended data structure, which is usually a fixed-length buffer.

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Ucspi-tcp

ucspi-tcp is a public domain Unix TCP command-line tool for building TCP client-server applications.

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Uncontrolled format string

Uncontrolled format string is a type of software vulnerability discovered around 1989 that can be used in security exploits.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Unix-like

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.

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User identifier

Unix-like operating systems identify a user within the kernel by a value called a user identifier, often abbreviated to user ID or UID.

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Vulnerability (computing)

In computer security, a vulnerability is a weakness which can be exploited by a Threat Actor, such as an attacker, to perform unauthorized actions within a computer system.

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Wiki

A wiki is a website on which users collaboratively modify content and structure directly from the web browser.

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Redirects here:

Qmail-distribution.

References

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

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