91 lines
4.4 KiB
HTML
91 lines
4.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Completely disable Amavisd + ClamAV + SpamAssassin</title>
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<link rel="stylesheet" type="text/css" href="./css/markdown.css" />
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</head>
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<body>
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<div id="navigation">
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<a href="https://www.iredmail.org" target="_blank">
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<img alt="iRedMail web site"
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src="./images/logo-iredmail.png"
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style="vertical-align: middle; height: 30px;"
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/>
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<span>iRedMail</span>
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</a>
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// <a href="./index.html">Document Index</a></div><div class="admonition note">
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<p class="admonition-title">This tutorial is available in other languages. <a href="https://bitbucket.org/zhb/iredmail-docs/src">Help translate more</a></p>
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<p><a href="./completely.disable.amavisd.clamav.spamassassin-it_IT.html">Italiano</a> /</p>
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</div>
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<h1 id="completely-disable-amavisd-clamav-spamassassin">Completely disable Amavisd + ClamAV + SpamAssassin</h1>
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<div class="toc">
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<ul>
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<li><a href="#completely-disable-amavisd-clamav-spamassassin">Completely disable Amavisd + ClamAV + SpamAssassin</a><ul>
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<li><a href="#stop-virusspam-scanning-keep-dkim-signingverification-and-disclaimer">Stop virus/spam scanning, keep DKIM signing/verification and Disclaimer</a></li>
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<li><a href="#completely-disable-all-features">Completely disable all features</a></li>
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</ul>
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</li>
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</ul>
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</div>
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<p>In iRedMail, Amavisd provides below features:</p>
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<ul>
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<li>content-based spam scanning (invoke SpamAssassin)</li>
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<li>Virus scanning (invoke ClamAV)</li>
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<li>DKIM signing</li>
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<li>DKIM verification (through SpamAssassin + Perl module)</li>
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<li>SPF verification (through SpamAssassin + Perl module)</li>
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<li>Disclaimer (throught AlterMIME)</li>
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</ul>
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<h3 id="stop-virusspam-scanning-keep-dkim-signingverification-and-disclaimer">Stop virus/spam scanning, keep DKIM signing/verification and Disclaimer</h3>
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<p>If you want to disable virus and spam scanning, but keep DKIM signing and disclaimer, please try this:</p>
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<ul>
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<li>
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<p>Keep <code>content_filter = smtp-amavis:[127.0.0.1]:10024</code> in Postfix config file <code>/etc/postfix/main.cf</code>.</p>
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</li>
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<li>
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<p>Find below lines in /etc/amavisd/amavisd.conf:</p>
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</li>
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</ul>
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<pre><code class="perl"># @bypass_virus_checks_maps = (1); # controls running of anti-virus code
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# @bypass_spam_checks_maps = (1); # controls running of anti-spam code
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</code></pre>
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<p>Uncomment above lines (removing "# " at the beginning of each line), and restart Amavisd service.</p>
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<h3 id="completely-disable-all-features">Completely disable all features</h3>
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<p>If you want to completely disable spam and virus scanning services, steps:</p>
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<ul>
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<li>Comment out below two lines in Postfix config file <code>/etc/postfix/main.cf</code>:</li>
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</ul>
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<pre><code class="cfg">content_filter = smtp-amavis:[127.0.0.1]:10024
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receive_override_options = no_address_mappings # <- it's ok if you don't have this line
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</code></pre>
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<ul>
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<li>Comment out below line in Postfix config file <code>/etc/postfix/master.cf</code>,</li>
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</ul>
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<pre><code class="cfg"> -o content_filter=smtp-amavis:[127.0.0.1]:10026
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</code></pre>
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<ul>
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<li>Restarting Postfix service is required.</li>
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<li>Disable network services: Amavisd, ClamAV.</li>
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</ul>
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<p>Notes:</p>
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<ul>
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<li>ClamAV and SpamAssassin will be invoked by Amavisd, so if you disable Amavisd, those two are disabled too.</li>
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<li>SpamAssassin doesn't have daemon service running in iRedMail solution, so there's no need to stop SpamAssassin service.</li>
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</ul><div class="footer">
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<p style="text-align: center; color: grey;">All documents are available in <a href="https://bitbucket.org/zhb/iredmail-docs/src">BitBucket repository</a>, and published under <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">Creative Commons</a> license. You can <a href="https://bitbucket.org/zhb/iredmail-docs/get/tip.tar.bz2">download the latest version</a> for offline reading. If you found something wrong, please do <a href="https://www.iredmail.org/contact.html">contact us</a> to fix it.</p>
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