<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >Credits</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Spam Filtering for Mail Exchangers" HREF="index.html"><LINK REL="UP" TITLE="Introduction" HREF="introduction.html"><LINK REL="PREVIOUS" TITLE="Revision History" HREF="intro-history.html"><LINK REL="NEXT" TITLE="Feedback" HREF="intro-feedback.html"></HEAD ><BODY CLASS="section" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Spam Filtering for Mail Exchangers: </TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="intro-history.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Introduction</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="intro-feedback.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="credits" ></A >5. Credits</H1 ><P > A number of people have provided feedback, corrections, and contributions, as indicated in the <A HREF="intro-history.html" >Revision History</A >. Thank you! </P ><P > The following are <EM >some</EM > of the people and groups that have provided tools and ideas to this document, in no particular order: </P ><P ></P ><UL ><LI ><P > Evan Harris <TT CLASS="email" ><<A HREF="mailto:eharris (at) puremagic.com" >eharris (at) puremagic.com</A >></TT >, who conceived and wrote a white paper on <A HREF="greylisting.html" >greylisting</A >. </P ></LI ><LI ><P > Axel Zinser <TT CLASS="email" ><<A HREF="mailto:fifi (at) hiss.org" >fifi (at) hiss.org</A >></TT >, who apparently conceived of <A HREF="smtpdelays.html" >teergrubing</A >. </P ></LI ><LI ><P > The developers of <A HREF="http://spf.pobox.com/" TARGET="_top" >SPF</A >, <A HREF="http://www.danisch.de/work/security/antispam.html" TARGET="_top" >RMX++</A >, and other <A HREF="senderauth.html" >Sender Authorization Schemes</A >. </P ></LI ><LI ><P > The creators and maintainers of distributed, collaborative junk mail signature repositories, such as <A HREF="http://rhyolite.com/anti-spam/dcc/" TARGET="_top" >DCC</A >, <A HREF="http://razor.sf.net/" TARGET="_top" >Razor</A >, and <A HREF="http://pyzor.sf.net/" TARGET="_top" >Pyzor</A >. </P ></LI ><LI ><P > The creators and maintainers of various DNS blocklists and whitelists, such as <A HREF="http://www.spamcop.net/" TARGET="_top" >SpamCop</A >, <A HREF="http://www.spamhaus.org/" TARGET="_top" >SpamHaus</A >, <A HREF="http://www.sorbs.net/" TARGET="_top" >SORBS</A >, <A HREF="http://cbl.abuseat.org/" TARGET="_top" >CBL</A >, and <A HREF="http://moensted.dk/spam/" TARGET="_top" >many others</A >. </P ></LI ><LI ><P > The <A HREF="http://www.spamassassin.org/full/3.0.x/dist/CREDITS" TARGET="_top" >developers</A > of <A HREF="http://www.spamassassin.org/" TARGET="_top" >SpamAssassin</A >, who have taken giant leaps forward in developing and integrating various spam filtering techniques into a sophisticated heuristics-based tool. </P ></LI ><LI ><P > Tim Jackson <TT CLASS="email" ><<A HREF="mailto:tim (at) timj.co.uk" >tim (at) timj.co.uk</A >></TT > collated and maintains a list of <A HREF="collateral.html#bogusviruswarning" >bogus virus warnings</A > for use with SpamAssassin. </P ></LI ><LI ><P > A lot of smart people who developed the excellent <A HREF="exim.html" >Exim</A > MTA, including: Philip Hazel <TT CLASS="email" ><<A HREF="mailto:ph10 (at) cus.cam.ac.uk" >ph10 (at) cus.cam.ac.uk</A >></TT >, the maintainer; Tom Kistner <TT CLASS="email" ><<A HREF="mailto:tom (at) duncanthrax.net" >tom (at) duncanthrax.net</A >></TT >, who wrote the Exiscan-ACL patch for SMTP-time content checks; Andreas Metzler <TT CLASS="email" ><<A HREF="mailto:ametzler (at) debian.org" >ametzler (at) debian.org</A >></TT >, who did a really good job of building the Exim 4 Debian packages. </P ></LI ><LI ><P > Many, many others who contributed ideas, software, and other techniques to counter the spam epidemic. </P ></LI ><LI ><P > You, for reading this document and your interest in reclaiming e-mail as a useful communication tool </P ></LI ></UL ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="intro-history.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="intro-feedback.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Revision History</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="introduction.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Feedback</TD ></TR ></TABLE ></DIV ></BODY ></HTML >