CINXE.COM

<!DOCTYPE html PUBLIC "XSLT-compat"> <html lang="en-GB"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" type="text/css" href="static/css/common.css"> <meta name="author" content="The Exim Project. <https://www.exim.org/>"> <meta name="copyright" content="Copyright 漏1995-2012 The Exim Project. All rights reserved"> <meta name="description" content="Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet."> <meta name="keywords" content="exim,smtp,mta,email"> <meta name="robots" content="noodp,noydir,index,follow"> <meta name="viewport" content="width=device-width"> <title>Exim Internet Mailer</title> <link rel="stylesheet" type="text/css" href="static/css/index.css"> <link rel="canonical" href="https://www.exim.org/"> </head> <body class="no-js"> <script type="text/javascript">document.body.className=(' '+document.body.className+' ').replace('no-js','with-js');</script><h1 id="header"><a href=".">Exim Internet Mailer</a></h1> <div id="outer"> <ul id="nav_flow" class="nav"> <li><a href="./index.html">Home</a></li> <li><a href="./download.html">Download</a></li> <li><a href="./docs.html">Documentation</a></li> <li><a href="./maillist.html">Mailing Lists</a></li> <li><a href="http://wiki.exim.org/">Wiki</a></li> <li><a href="https://bugs.exim.org/">Bugs</a></li> <li><a href="./static/doc/security">Security</a></li> <li><a href="./credits.html">Credits</a></li> <li><a href="./legal.html">Legal</a></li> <li class="search"><form action="https://encrypted.google.com/search" method="get"> <span class="search_field_container"><input type="search" name="q" placeholder="Search Docs" class="search_field"></span><input type="hidden" name="hl" value="en"><input type="hidden" name="ie" value="UTF-8"><input type="hidden" name="as_qdr" value="all"><input type="hidden" name="q" value="site:www.exim.org"><input type="hidden" name="q" value="inurl:exim-html-current"> </form></li> </ul> <div id="inner"><div id="content"> <h2>Latest Version: 4.98</h2> <p id="summary"><a href="https://www.exim.org/"><img src="i/exim-blue-ld-87x65.png" alt="Exim Logo" width="87" height="65"></a>Exim is a message transfer agent (MTA) originally developed at the <a href="https://www.cam.ac.uk/" title="University of Cambridge Home page">University of Cambridge</a> for use on Unix systems connected to the Internet. It is freely available under the terms of the <a href="https://www.gnu.org/licenses/gpl.html" title="GPL Information">GNU General Public Licence</a>. In style it is similar to Smail 3, but its facilities are more general. There is a great deal of flexibility in the way mail can be routed, and there are extensive facilities for checking incoming mail. Exim can be installed in place of <a href="https://www.proofpoint.com/us/sendmail-open-source" title="Sendmail home page" rel="nofollow">Sendmail</a>, although the configuration of Exim is quite different.</p> <p id="obsolete_version_info">All versions of Exim previous to version 4.98 are now obsolete. The last 3.x release was 3.36. It is twenty years obsolete and should not be used.</p> <p id="version_info">The current version is 4.98.<br></p> <p>If necessary, we publish maintenance releases. These releases are mainly intended for package maintainers.</p> <p id="beta_version_info">There may be beta versions available from the ftp sites in the Testing directory. Many people are using these without problems, but they are not recommended unless you are willing to work with beta software.</p> <p id="book_info"><a href="https://www.uit.co.uk/all-books/the-exim-smtp-mail-server.html"><img src="i/exim-book.png" width="74" height="100"></a>You may wish to purchase <a href="https://www.uit.co.uk/all-books/the-exim-smtp-mail-server.html">The Exim SMTP Mail Server</a> book, written by the original author of Exim, <a href="https://en.wikipedia.org/wiki/Philip_Hazel">Philip Hazel</a>.</p> <div id="sponsors">The following organizations provide services which help the Exim project:<ul id="sponsor_list"> <li class="sponsor"> <a href="https://www.mythic-beasts.com/">Mythic Beasts</a> provide us with a VM for running the buildfarm, for the testsuite.</li> <li class="sponsor"> <a href="https://www.macstadium.com/"><img src="i/macstadium-150x61.png" width="150" height="61" alt="MacStadium" class="sponsor_logo">MacStadium</a> provide us a Mac Mini for our buildfarm, keeping macOS supported.</li> <li class="sponsor"> <a href="https://schlittermann.de/">Schlittermann - Internet & Unix Support</a> provide us resources for hosting and administering the exim.org infrastructure.</li> </ul> </div> </div></div> <iframe id="branding" name="branding" src="./branding/branding.html" height="0" frameborder="no" scrolling="no"></iframe><div id="footer">Website design by <a href="https://www.grepular.com/">Mike Cardwell</a>.</div> <div class="left_bar"></div> <div class="right_bar"></div> </div> <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js"></script><script type="text/javascript" src="static/js/common.js"></script> </body> </html>