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Sendmail is a mail transfer agent (MTA) that is a well known project of the open source, free software and Unix communities, which is distributed both as free software and proprietary software. Image File history File links Sendmail_logo. ...
Software development is the translation of a user need or marketing goal into a software product. ...
A software release refers to the creation and availability of a new version of a computer software product. ...
2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini (common) era. ...
January 31 is the 31st day of the year in the Gregorian calendar. ...
A software release refers to the creation and availability of a new version of a computer software product. ...
An operating system (OS) is a computer program that manages the hardware and software resources of a computer. ...
A cross-platform (or platform independent) programming language, software application or hardware device works on more than one system platform (e. ...
A mail transfer agent or MTA (also called a mail transport agent, mail server, or a mail exchanger in the context of the Domain Name System) is a computer program or software agent that transfers electronic mail messages from one computer to another. ...
A software license is a legal agreement which may take the form of a proprietary or gratuitous license as well as a memorandum of contract between a producer and a user of computer software. ...
The BSD daemon BSD licenses represent a family of permissive free software licenses. ...
A website (or Web site) is a collection of web pages, images, videos and other digital assets and hosted on a particular domain or subdomain on the World Wide Web. ...
A mail transfer agent or MTA (also called a mail transport agent, mail server, or a mail exchanger in the context of the Domain Name System) is a computer program or software agent that transfers electronic mail messages from one computer to another. ...
The open source movement is an offshoot of the free software movement that advocates open-source software as an alternative label for free software, primarily on pragmatic rather than philosophical grounds. ...
// The free software community is also called the open source community or the Linux community. ...
Filiation of Unix and Unix-like systems Unix (officially trademarked as UNIX®) is a computer operating system originally developed in the 1960s and 1970s by a group of AT&T employees at Bell Labs including Ken Thompson, Dennis Ritchie and Douglas McIlroy. ...
This article is about free software as defined by the sociopolitical free software movement; for information on software distributed without charge, see freeware. ...
Proprietary software is software with restrictions on using, copying and modifying as enforced by the proprietor. ...
History and use A descendant of the original ARPANET delivermail application, Sendmail is a remarkably flexible program, supporting many kinds of mail transfer and delivery including the overwhelmingly popular SMTP. The original version of Sendmail was written by Eric Allman in the early 1980s at UC Berkeley, who had also written delivermail previously. Delivermail was shipped in 1979 with 4.0 and 4.1 BSD. Sendmail was shipped with BSD 4.1c in 1983 (the first BSD version to include TCP/IP). ARPANET logical map, March 1977. ...
The ancestor of sendmail, delivermail used the FTP protocol on the early ARPANET to transmit e-mail to the recipient. ...
Simple Mail Transfer Protocol (SMTP) is the de facto standard for email transmission across the Internet. ...
Eric Allman (born 1959) is a computer programmer. ...
The 1980s refers to the years of 1980 to 1989. ...
The University of California, Berkeley (also known as Cal, UC Berkeley, UCB, or simply Berkeley) is a prestigious, public, coeducational university situated in the foothills of Berkeley, California to the east of San Francisco Bay, overlooking the Golden Gate and its bridge. ...
The ancestor of sendmail, delivermail used the FTP protocol on the early ARPANET to transmit e-mail to the recipient. ...
The ancestor of sendmail, delivermail used the FTP protocol on the early ARPANET to transmit e-mail to the recipient. ...
BSD redirects here; for other uses see BSD (disambiguation). ...
BSD redirects here; for other uses see BSD (disambiguation). ...
Sendmail remains the most popular MTA on the Internet. Its popularity is due in part to its position as the standard MTA under most variants of the Unix operating system. According to one study, as of November 2001 approximately 42% of the publicly reachable mail servers on the Internet were running Sendmail[citation needed]. More recent surveys have suggested a decline, with 32% of mail servers in January 2007 detected as running Sendmail in a study performed by E-Soft, Inc. [1] Sendmail is trailed by Microsoft Exchange Server, Exim, and Postfix, these four being the only mail servers with more than 10% of the installed base. Filiation of Unix and Unix-like systems Unix (officially trademarked as UNIX®) is a computer operating system originally developed in the 1960s and 1970s by a group of AT&T employees at Bell Labs including Ken Thompson, Dennis Ritchie and Douglas McIlroy. ...
2001 is a common year starting on Monday of the Gregorian calendar, and also: The International Year of the Volunteer The United Nations Year of Dialogue Among Civilizations Events January January 1 - A black monolith measuring approximately nine feet tall appears in Seattles Magnuson Park, placed by an anonymous...
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. ...
Exim is a mail transfer agent (MTA) used in Unix-like operating systems. ...
Postfix is an open source mail transfer agent (MTA), a computer program for the routing and delivery of email, that is intended as a fast, easy to administer and secure alternative to the widely-used Sendmail. ...
As Sendmail is a complex package with a great deal of functionality, it can be difficult for an inexperienced system administrator to configure. Documentation of the Sendmail system has not always kept pace with changes to the administrative interfaces; despite the availability of macro-based configuration tools, many support websites instruct administrators to directly modify configuration files that should instead be managed by administrative tools. The failure of vendors to update their support materials contributes to the perception of Sendmail as a difficult-to-configure package[citation needed].
The complexity of Sendmail does provide benefits, in the form of flexibility and scalability. Sendmail supports a variety of mail transfer protocols, including SMTP, ESMTP, DECnet's mail11, HylaFax, QuickPage and UUCP. Additionally, Sendmail v8.12 as of September 2001 introduced support for milters - external mail filtering programs that can participate in each step of the SMTP conversation. Simple Mail Transfer Protocol (SMTP) is the de facto standard for email transmission across the Internet. ...
Simple Mail Transfer Protocol (SMTP) is the de facto standard for email transmission across the Internet. ...
UUCP stands for Unix to Unix CoPy. ...
2001 is a common year starting on Monday of the Gregorian calendar, and also: The International Year of the Volunteer The United Nations Year of Dialogue Among Civilizations Events January January 1 - A black monolith measuring approximately nine feet tall appears in Seattles Magnuson Park, placed by an anonymous...
A milter is an extension to the widely used open source mail transfer agent (MTA) sendmail. ...
Simple Mail Transfer Protocol (SMTP) is the de facto standard for email transmission across the Internet. ...
by M. Hussain
Security Sendmail originated in the early days of the modern Internet, an era when security was not a primary consideration in the development of network software. Like most early Internet applications (and many of the Internet protocols), Sendmail was not designed with the intention of preventing unauthorized access or abuse. Early versions of Sendmail suffered from a number of security vulnerabilities that have been corrected over the years. Current versions of Sendmail, like other modern MTAs, incorporate a number of security improvements and optional features that can be configured to improve security and help prevent abuse.
Sendmail X / MeTA1 The next generation of Sendmail was initially called Sendmail X (previously it was called Sendmail 9, but is not an evolution of the Sendmail version 8 code base). However, the development of Sendmail X was stopped in favor of a new project called MeTA1.
The first release of Sendmail X (smX-0.0.0.0) was made available on October 30 2005. The final release was smX-1.0.PreAlpha7.0., released on May 20 2006 under the same license used by Sendmail 8.
Development on MeTA1 continues, with the released code at the pre-alpha stage as of January 2007. Software development stages In computer programming, development stage terminology expresses how the development of a piece of software has progressed and how much further development it may require. ...
Sendmail-8
Releases The information is based on RELEASE_NOTES file from sendmail distribution. 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini (common) era. ...
January 31 is the 31st day of the year in the Gregorian calendar. ...
2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ...
June 20 is the 171st day of the year (172nd in leap years) in the Gregorian Calendar, with 194 days remaining. ...
2001 (MMI) was a common year starting on Monday of the Gregorian calendar. ...
September 8 is the 251st day of the year (252nd in leap years). ...
2000 (MM) was a leap year starting on Saturday of the Gregorian calendar. ...
July 19 is the 200th day (201st in leap years) of the year in the Gregorian Calendar, with 165 days remaining. ...
2000 (MM) was a leap year starting on Saturday of the Gregorian calendar. ...
March 1 is the 60th day of the year in the Gregorian calendar (61st in leap years). ...
1998 (MCMXCVIII) was a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean [1]. // Coated in ice, power and telephone lines sag and often break, resulting in power outages. ...
May 19 is the 139th day of the year in the Gregorian Calendar (140th in leap years). ...
1996 (MCMXCVI) was a leap year starting on Monday of the Gregorian calendar, and was designated the International Year for the Eradication of Poverty. ...
September 26 is the 269th day of the year (270th in leap years) in the Gregorian calendar. ...
1995 (MCMXCV) was a common year starting on Sunday of the Gregorian calendar. ...
September 16 is the 259th day of the year (260th in leap years). ...
1993 (MCMXCIII) was a common year starting on Friday of the Gregorian calendar and marked the Beginning of the International Decade to Combat Racism and Racial Discrimination (1993-2003). ...
October 5 is the 278th day of the year in the Gregorian Calendar (279th in Leap years). ...
1993 (MCMXCIII) was a common year starting on Friday of the Gregorian calendar and marked the Beginning of the International Decade to Combat Racism and Racial Discrimination (1993-2003). ...
June 7 is the 158th day of the year in the Gregorian calendar (159th in leap years), with 207 days remaining. ...
History of Vulnerabilities Sendmail vulnerabilities in CERT advisories and alerts. January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
January 7 is the seventh day of the year in the Gregorian calendar. ...
2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
Bibliography - Bryan Costales with Eric Allman (December 2002). sendmail, 3rd Edition. O'Reilly and Associates. ISBN. — This is the Sendmail "bible" containing 1232 pages about Sendmail. It is also known as "The Bat Book", because of the picture on its cover. The 1st Edition was published in November 1993.
- Bryan Costales, George Jansen, Claus Assmann, Gregory Shapiro (September 2004). sendmail 8.13 Companion. O'Reilly and Associates. ISBN. — A companion to sendmail, 3rd Edition, this book documents the improvements in V8.13 in parallel with its release.
- Craig Hunt (December 2003). sendmail Cookbook. O'Reilly. ISBN.
- Nick Christenson (2002-09-13). sendmail Performance Tuning. Addison-Wesley. ISBN. [2]
Programming Perl is a classic OReilly book. ...
Programming Perl is a classic OReilly book. ...
OReilly Coat of Arms OReilly is the patronymic form of Reilly. ...
For album titles with the same name, see 2002 (album). ...
September 13 is the 256th day of the year (257th in leap years). ...
Pearson can mean Pearson PLC the media conglomerate. ...
See also This is a list of mail servers: mail transfer agents, mail delivery agents, and other computer software which provides e-mail services. ...
A Mail Delivery Agent (MDA) is software that accepts incoming e-mail messages and distributes them to recipients individual mailboxes (if the destination account is on the local machine), or forwards back to an SMTP server (if the destination is on a remote server). ...
An email client (or mail user agent [MUA]) is a computer program that is used to read and send email. ...
The UNIX-Haters Handbook is an edited compilation of messages to the UNIX-HATERS mailing list. ...
External links - Sendmail Consortium, sendmail.org
- Sendmail, Inc., sendmail.com
- Milter.org, Sendmail MILTERs [3]
- Daniel J. Bernstein, Internet host SMTP server survey, November 2001
- Mike Brodbelt, A brief history of mail
- Lourier, Philippe. "History of Sendmail: Interview with Eric Allman", Dr. Dobb's Journal, 1999.
- Eric Allman et al. (1999). "Sendmail Evolution: 8.10 and Beyond". — presented at the USENIX Annual Technical Conference
- Williamson, Alan. "A Talk with the Father of sendmail", LinuxWorld, 2003-08-11.
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