+
−@book{brooks95,
+
−	author    = "Brooks, Jr., Frederick P.",
+
−	title     = "The mythical man-month: essays on software engineering",
+
−	year      = "1995",
+
−	publisher = "Addison-Wesley"
+
−}
+
−
+
−@book{kernighan84,
+
−	author =  "Brian W. Kernighan and Rob Pike",
+
−	title = "The UNIX Programming Environment",
+
−	year = "1984",
+
−	publisher = "Prentice-Hall"
+
−}
+
−
+
−@book{rochkind85,
+
−	author = "Marc J. Rochkind",
+
−	title = "Advanced UNIX Programming",
+
−	year = "1985",
+
−	publisher = "Prentice-Hall"
+
−}
+
−
+
−@book{kernighan99,
+
−	author = "Brian W. Kernighan and Rob Pike",
+
−	title = "The Practice of Programming",
+
−	year = "1999",
+
−	publisher = "Addison-Wesley"
+
−}
+
−
+
−@book{k&r,
+
−	author = "Brian W. Kernighan and Dennis M. Ritchie",
+
−	title = "The C Programming Language",
+
−	edition = "Second",
+
−	year = "1988",
+
−	publisher = "Prentice-Hall"
+
−}
+
−
+
−@book{raymond99,
+
−	author = "Eric S. Raymond",
+
−	title = "The Cathedral \& the Bazaar",
+
−	year = "1999",
+
−	publisher = "O'Reilly Media",
+
−	note = "ISBN: 1-56592-724-9. Also available online at {\small\url{http://catb.org/esr/writings/cathedral-bazaar/cathedral-bazaar/} (2008-10-14)}",
+
−}
+
−
+
−@book{raymond03,
+
−	author = "Eric~S.\ Raymond",
+
−	title = "The Art of UNIX Programming",
+
−	year = "2003",
+
−	publisher = "Addison-Wesley Professional",
+
−	note = "ISBN: 0-13-142901-9. Also available online at {\small\url{http://catb.org/esr/writings/taoup/} (2008-12-30)}",
+
−}
+
−
+
−@book{costales97,
+
−	author = "Bryan Costales and Eric Allman",
+
−	title = "sendmail",
+
−	year = "1997",
+
−	edition = "Second",
+
−	publisher = "O'Reilly \& Associates, Inc",
+
−	note = "ISBN: 1-56592-222-0",
+
−}
+
−
+
−@book{vixie01,
+
−	author = "Paul A. Vixie and Frederick M. Avolio",
+
−	title = "Sendmail: Theory and Practice",
+
−	year = "2001",
+
−	edition = "Second",
+
−	publisher = "Digital Press",
+
−	note = "ISBN: 1-55558-229-X. The first chapter ``Background and History'' is available online at {\small\url{http://smtap.al.org/ch01.pdf} (2008-10-23)}",
+
−}
+
−
+
−
+
−@book{powerof2x2,
+
−	author = "Alex Lowy and Phil Hood",
+
−	title = "The Power of the 2 x 2 Matrix: Using 2 x 2 Thinking to Solve Business Problems and Make Better Decisions",
+
−	publisher = "Jossey-Bass",
+
−	year = "2004",
+
−	note = "ISBN: 0-78797-292-4",
+
−	pages = "129--131",
+
−}
+
−
+
−@article{wired:hype,
+
−	author = "Jesse Freund",
+
−	title = "\emph{Hype List}",
+
−	journal = "Wired Magazine",
+
−	month = "June",
+
−	year = "1998",
+
−	note = "Also available online at: {\small\url{http://www.wired.com/wired/archive/6.06/hypelist.html} (2008-11-26)}",
+
−}
+
−
+
−@techreport{panda:email-threats,
+
−	key = "Panda",
+
−	institution = "Panda Security and Commtouch",
+
−	author = "",
+
−	title = "\emph{Q2 2008 Email Threats Trend Report}",
+
−	note = "Also available online at: {\small\url{http://www.pandasecurity.com/emailhtml/oxygen/Q2_08%20Email_Threats%20-%20Panda.pdf} (2008-11-26)}",
+
−	year = "2008",
+
−	month = "July",
+
−}
+
−
+
−@techreport{ironport:zombie-computers,
+
−	key = "Ironport",
+
−	institution = "{IronPort Systems Inc.}",
+
−	type = "Press Release",
+
−	author = "",
+
−	title = "\emph{Spammers Continue Innovation: IronPort Study Shows Image-based Spam, Hit \& Run, and Increased Volumes Latest Threat to Your Inbox}",
+
−	month = "June",
+
−	year = "2006",
+
−	note = "Also available online at: {\small\url{http://ironport.com/company/ironport_pr_2006-06-28.html} (2008-11-26)}",
+
−}
+
−
+
−
+
−@incollection{lenke95,
+
−	author = "Nils Lenke and Peter Schmitz",
+
−	title = "\emph{Geschw{\"a}tz im `Globalen Dorf' -- Kommunikation im Internet}",
+
−	booktitle = "Osnabr{\"u}cker Beitr{\"a}ge zur Sprachtheorie: Neue Medien",
+
−	publisher = "Ulrich Schmitz",
+
−	volume = "50",
+
−	year = "1995",
+
−	pages = "117--141",
+
−	note = "(In German language)",
+
−}
+
−
+
−@mastersthesis{hafiz05,
+
−	author = "Munawar Hafiz",
+
−	title = "\emph{Security architecture of mail transfer agents}",
+
−	school = "University of Illinois",
+
−	year = "2005",
+
−	month = "June",
+
−	note = "Also available online at: {\small\url{FIXME} (2008-12-04)}",
+
−}
+
−
+
−
+
−@article{shearer06,
+
−	author = "Dan Shearer",
+
−	title = "\emph{MTA Comparison}",
+
−	journal = "Linux Weekly News",
+
−	month = "August",
+
−	year = "2006",
+
−	note = "Available online at: {\small\url{http://shearer.org/MTA_Comparison} (2008-12-09)} or {\small\url{http://lwn.net/Articles/196711} (2008-12-09)}",
+
−}
+
−
+
−
+
−@book{gancarz95,
+
−	author = "Mike Gancarz",
+
−	title = "\emph{The UNIX Philosophy}",
+
−	year = "1995",
+
−	publisher = "Digital Press"
+
−}
+
−
+
−
+
−@misc{lifewithqmail,
+
−	author = "Dave Sill",
+
−	title = "\emph{Life with qmail}",
+
−	year = "2007",
+
−	howpublished = "On the Internet: {\small\url{http://lifewithqmail.org} (2008-10-18)}",
+
−	note = "Version 2007-11-30",
+
−}
+
−
+
−@misc{jdebp,
+
−	author = "Jonathan de Boyne Pollard",
+
−	title = "\emph{Unix Mail Transport Systems reviewed by JdeBP}",
+
−	year = "1998--2004",
+
−	howpublished = "On the Internet: {\small\url{http://homepages.tesco.net/~J.deBoynePollard/Reviews/UnixMTSes/} (2008-10-18)}",
+
−}
+
−
+
−@misc{email:griffiths,
+
−	author = "Richard T. Griffiths",
+
−	title = "\emph{History of the Internet, Internet for Historians (and just about everyone else)}",
+
−	chapter = "3",
+
−	year = "FIXME",
+
−	howpublished = "On the Internet: {\small\url{http://www.let.leidenuniv.nl/history/ivh/chap3.htm} (2008-10-23)}",
+
−}
+
−
+
−@misc{email:crocker,
+
−	author = "Dave Crocker",
+
−	title = "\emph{Email History, How Email Was Invented}",
+
−	year = "FIXME",
+
−	howpublished = "On the Internet: {\small\url{http://www.livinginternet.com/e/ei.htm} (2008-10-23)}",
+
−}
+
−
+
−@misc{email:vleck,
+
−	author = "Tom van Vleck",
+
−	title = "\emph{The History of Electronic Mail}",
+
−	year = "FIXME",
+
−	howpublished = "On the Internet: {\small\url{http://www.multicians.org/thvv/mail-history.html} (2008-10-23)}",
+
−}
+
−
+
−@misc{email:akkad,
+
−	author = "Jay Akkad",
+
−	title = "\emph{The History of Email}",
+
−	year = "FIXME",
+
−	howpublished = "On the Internet: {\small\url{http://www.cs.ucsb.edu/~almeroth/classes/F04.176A/homework1_good_papers/jay-akkad.html} (2008-10-23)}",
+
−}
+
−
+
−@misc{email:murakami,
+
−	author = "Gary J. Murakami",
+
−	title = "\emph{The History of ihnp4 and The Growth of the Email Network}",
+
−	year = "FIXME",
+
−	howpublished = "On the Internet: {\small\url{http://www.nobell.org/~gjm/about/ihnp4.html} (2008-10-23)}",
+
−}
+
−
+
−@misc{email:tomlinson,
+
−	author = "Ray Tomlinson",
+
−	title = "\emph{The First Network Email}",
+
−	year = "FIXME",
+
−	howpublished = "On the Internet: {\small\url{http://openmap.bbn.com/~tomlinso/ray/firstemailframe.html} (2008-10-23)}",
+
−}
+
−
+
−@misc{osterman08,
+
−	author = "Michael Osterman",
+
−	title = "\emph{How do you define `unified communications'?}",
+
−	month = "February",
+
−	year = "2008",
+
−	howpublished = "On the Internet: {\small\url{http://www.networkworld.com/newsletters/gwm/2008/0225msg1.html} (2008-11-26)}",
+
−}
+
−
+
−@misc{plug:mtas,
+
−	author = "Rick Moen and Ted Cabeen and Bastian Blank and Sean Burlington and Simon Cooper and J. C. Lawrence",
+
−	title = "Subject: \emph{email server question...}",
+
−	year = "2002--2003",
+
−	howpublished = "This is a discussion on the mailing list \emph{plug@lists.q-linux.com} in Fall 2002.",
+
−	note = "Available on the Internet: {\small\url{http://linuxmafia.com/faq/Mail/mtas.html} (2008-12-09)}",
+
−}
+
−
+
−
+
−@article{simpson07,
+
−	author = "Ken Simpson and Stas Bekman",
+
−	title = "\emph{Fingerprinting the World's Mail Servers}",
+
−	year = "2007",
+
−	month = "May",
+
−	publisher = "O'ReillyNet",
+
−	howpublished = "On the Internet: {\small\url{http://oreillynet.com/lpt/a/6849} (2008-12-11)}",
+
−}
+
−
+
−@misc{bernstein01,
+
−	author = "Daniel~J. Bernstein",
+
−	title = "\emph{Internet host SMTP server survey}",
+
−	year = "2001",
+
−	month = "October",
+
−	howpublished = "A posting to the news group comp.mail.misc",
+
−	note = "Available on the Internet: {\small\url{http://cr.yp.to/surveys/smtpsoftware6.txt} (2008-12-11)}",
+
−}
+
−
+
−
+
−@misc{venema:postfix-growth,
+
−	author = "Wietse Venema",
+
−	title = "\emph{The Postfix mail server as a secure programming example}",
+
−	year = "2006",
+
−	howpublished = "On the Internet: {\small\url{http://www.eurecom.fr/teaching/engineering/page40379/file40059.pdf} (2008-12-11)}",
+
−}
+
−
+
−
+
−@book{dent04,
+
−	author = "Kyle D. Dent",
+
−	title = "\emph{Postfix: The Definitive Guide}",
+
−	year = "2004",
+
−	publisher = "O'Reilly Media",
+
−	note = "ISBN: 0-596-00212-2",
+
−}
+
−
+
−@book{graff03,
+
−	author = "Mark G. Graff and Kenneth R. van Wyk",
+
−	title = "\emph{Secure Coding: Principles and Practices}",
+
−	year = "2003",
+
−	publisher = "O'Reilly Media",
+
−	note = "ISBN: 0-596-00242-4",
+
−}
+
−
+
−@book{eisentraut05,
+
−	author = "Peter Eisentraut and Alexander Wirt",
+
−	title = "\emph{Mit Open Source-Tools Spam und Viren bek{\"a}mpfen}",
+
−	year = "2005",
+
−	publisher = "O'Reilly Verlag",
+
−	note = "ISBN: 3-89721-377-X. (In German language)",
+
−}
+
−
+
−@book{heinlein02,
+
−	author = "Peer Heinlein",
+
−	title = "\emph{Das Postfix-Buch: sichere Mailserver mit Linux}",
+
−	year = "2002",
+
−	publisher = "SuSE-Press",
+
−	note = "ISBN: 3-935922-41-8. (In German language)",
+
−}
+
−
+
−@book{hildebrandt08,
+
−	author = "Ralf Hildebrandt and Patrick Ben Koetter",
+
−	title = "\emph{Postfix: Einrichtung, Betrieb und Wartung}",
+
−	year = "2008",
+
−	publisher = "dpunkt.verlag",
+
−	note = "ISBN: 3-89864-518-8. (In German language)",
+
−}
+
−@book{hildebrandt0X,
+
−	author = "Ralf Hildebrandt and Patrick Ben Koetter",
+
−	title = "\emph{The Book of Postfix}",
+
−	year = "XX",
+
−	publisher = "No Starch Press",
+
−	note = "ISBN: 1-59327-001-1",
+
−}
+
−
+
−
+
−@book{spinellis03,
+
−	author = "Diomidis Spinellis",
+
−	title = "\emph{Code Reading: The Open Source Perspective}",
+
−	year = "2003",
+
−	publisher = "Addison-Wesley Professional",
+
−	note = "ISBN: 0-201-79940-5",
+
−}
+
−
+
−@book{spinellis06,
+
−	author = "Diomidis Spinellis",
+
−	title = "\emph{Code Quality: The Open Source Perspective}",
+
−	year = "2006",
+
−	publisher = "Addison-Wesley Professional",
+
−	note = "ISBN: 0-321-16607-8",
+
−}
+
−
+
−@book{kan03,
+
−	author = "Stephen~H. Kan",
+
−	title = "\emph{Matrics and Models in Software Quality Engineering}",
+
−	year = "2003",
+
−	publisher = "Addison-Wesley",
+
−	edition = "Second",
+
−	note = "ISBN: 0-201-72915-6",
+
−}
+
−
+
−@book{sill02,
+
−	author = "Dave Sill",
+
−	title = "\emph{The qmail Handbook}",
+
−	year = "2002",
+
−	publisher = "Apress",
+
−	note = "ISBN: 1-893115-40-2",
+
−}
+
−
+
−@inproceedings{candea03,
+
−	author = "George Candea and Armando Fox",
+
−	title = "\emph{Crash-Only Software}",
+
−	booktitle = "Workshop on Hot Topics in Operating Systems",
+
−	volume = "9",
+
−	year = "2003",
+
−	note = "On the Internet: {\small\url{} (2009-01-04)}",
+
−}
+
−
+
−@unpublished{wheeler03,
+
−	author = "David~A.\ Wheeler",
+
−	title = "\emph{Countering Spam with Ham-Authenticated Email and the Guarded Email Protocol}",
+
−	year = "2003",
+
−	howpublished = "On the Internet: {\small\url{http://www.dwheeler.com/guarded-email/guarded-email.html} (2009-01-04)}",
+
−}
+
−
+
−@techreport{back02,
+
−	author = "Adam Back",
+
−	title = "\emph{Hashcash -- A Denial of Service Counter-Measure}",
+
−	year = "2002",
+
−	month = "August",
+
−	note = "On the Internet: {\small\url{http://hashcash.org/papers/hashcash.pdf} (2009-01-04)}",
+
−}
+
−
+
−@book{hazel01,
+
−	author = "Philip Hazel",
+
−	title = "\emph{Exim: The Mail Transfer Agent}",
+
−	year = "2001",
+
−	publisher = "O'Reilly",
+
−	note = "ISBN: 0-596-00098-7",
+
−}
+
−
+
−@misc{cole07,
+
−	author = "William~K.\ Cole",
+
−	title = "\emph{Blacklists, Blocklists, DNSBL's, and survival}",
+
−	year = "2007",
+
−	howpublished = "On the Internet: {\small\url{http://scconsult.com/bill/dnsblhelp.html} (2009-01-10)}",
+
−}
+
−
+
−@techreport{levine08,
+
−	author = "John~R.\ Levine",
+
−	title = "\emph{DNS Blacklists and Whitelists draft-irtf-asrg-dnsbl-08}",
+
−	institution = "Anti-Spam Research Group",
+
−	year = "2008",
+
−	month = "November",
+
−	note = "On the Internet: {\small\url{http://tools.ietf.org/html/draft-irtf-asrg-dnsbl-08} (2009-01-10)}",
+
−}
+
−
+
−@misc{harris03,
+
−	author = "Evan Harris",
+
−	title = "\emph{The Next Step in the Spam Control War: Greylisting}",
+
−	year = "2003",
+
−	howpublished = "On the Internet: {\small\url{http://projects.puremagic.com/greylisting/whitepaper.html} (2009-01-10)}",
+
−}
+
−
+
−@misc{graham02,
+
−	author = "Paul Graham",
+
−	title = "\emph{A Plan for Spam}",
+
−	year = "2002",
+
−	month = "August",
+
−	howpublished = "On the Internet: {\small\url{http://paulgraham.com/spam.html} (2009-01-10)}",
+
−}
+
−
+
−@techreport{venema92,
+
−	author = "Wietse Venema",
+
−	title = "\emph{TCP WRAPPER: Network monitoring, access, control, and booby traps.}",
+
−	institution = "Eindhoven University of Technology",
+
−	year = "1992",
+
−	month = "July",
+
−	note = "On the Internet: {\small\url{http://www.vtcif.telstra.com.au/pub/docs/security/tcp_wrapper.txt} (2009-01-10)}",
+
−}
+
−
+
−@book{tanenbaum02,
+
−	author =  "Andrew~S.\ Tanenbaum and Maarten van Steen",
+
−	title = "Distributed Systems: Principles and Paradigms",
+
−	year = "2002",
+
−	edition = "International",
+
−	publisher = "Prentice-Hall",
+
−	note = "ISBN: 0-13-121786-0",
+
−}
+
−
+
−@misc{blanco05,
+
−	author = "Elena Blanco",
+
−	title = "\emph{Open source and the postmaster}",
+
−	publisher = "OSS Watch",
+
−	year = "2005",
+
−	month = "August",
+
−	howpublished = "On the Internet: {\small\url{http://www.oss-watch.ac.uk/resources/postmaster.xml} (2009-01-22)}",
+
−}
+
−
+
−@techreport{cabral01,
+
−	author = "Jim Cabral",
+
−	title = "\emph{Securing Email Through Proxies: Smap and Stunnel}",
+
−	institution = "SANS Institute",
+
−	year = "2001",
+
−	month = "July",
+
−	howpublished = "On the Internet: {\small\url{http://www.sans.org/reading_room/whitepapers/email/securing_email_through_proxies_smap_and_stunnel_579} (2009-01-22)}",
+
−}
+
−