105 lines
5.6 KiB
HTML
105 lines
5.6 KiB
HTML
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<title>iRedAdmin-Pro: Custom (Amavisd) ban rules</title>
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src="./images/logo-iredmail.png"
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// <a href="./index.html">Document Index</a></div><h1 id="iredadmin-pro-custom-amavisd-ban-rules">iRedAdmin-Pro: Custom (Amavisd) ban rules</h1>
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<div class="toc">
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<ul>
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<li><a href="#iredadmin-pro-custom-amavisd-ban-rules">iRedAdmin-Pro: Custom (Amavisd) ban rules</a><ul>
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<li><a href="#builtin-ban-rules">Builtin ban rules</a></li>
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<li><a href="#add-new-ban-rules">Add new ban rules</a></li>
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<li><a href="#how-to-use-the-ban-rules">How to use the ban rules</a><ul>
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<li><a href="#assign-ban-rules-with-iredadmin-pro">Assign ban rules with iRedAdmin-Pro</a></li>
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<li><a href="#assign-ban-rules-with-sql-command-line">Assign ban rules with SQL command line</a></li>
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</ul>
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</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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<h2 id="builtin-ban-rules">Builtin ban rules</h2>
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<p>iRedMail-1.4.1 ships 4 builtin Amavisd ban rules, they're defined in
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<a href="./file.locations.html#amavisd">Amavisd config file</a> like below:</p>
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<pre><code>%banned_rules = (
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# Allow all Microsoft Office documents.
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'ALLOW_MS_OFFICE' => new_RE([qr'.\.(doc|docx|xls|xlsx|ppt|pptx)$'i => 0]),
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# Allow Microsoft Word, Excel, PowerPoint documents separately.
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'ALLOW_MS_WORD' => new_RE([qr'.\.(doc|docx)$'i => 0]),
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'ALLOW_MS_EXCEL' => new_RE([qr'.\.(xls|xlsx)$'i => 0]),
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'ALLOW_MS_PPT' => new_RE([qr'.\.(ppt|pptx)$'i => 0]),
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# Default rule.
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'DEFAULT' => $banned_filename_re,
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);
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</code></pre>
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<ul>
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<li><code>ALLOW_MS_OFFICE</code>: Allow all Microsoft Office documents.</li>
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<li><code>ALLOW_MS_WORD</code>: Allow Microsoft Word documents (<code>.doc</code>, <code>.docx</code>).</li>
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<li><code>ALLOW_MS_EXCEL</code>: Allow Microsoft Excel documents (<code>.xls</code>, <code>.xlsx</code>).</li>
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<li><code>ALLOW_MS_PPT</code>: Allow Microsoft PowerPoint documents (<code>.ppt</code>, <code>.pptx</code>).</li>
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</ul>
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<h2 id="add-new-ban-rules">Add new ban rules</h2>
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<p>You're free to add new ban rules inside <code>%banned_rules = ();</code> parameter.
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For example, let's add new rule <code>BLOCK_COMPRESS</code> to block few compress file
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formats, and <code>ALLOW_PDF</code> to allow / bypass <code>.pdf</code> files:</p>
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<pre><code>%banned_rules = (
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# ... omit other existing rules here ...
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'BLOCK_COMPRESS' => new_RE([qr'.\.(zip|7z|gz|bz2|tar|rar)$'i]),
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'ALLOW_PDF' => new_RE([qr'.\.pdf$'i => 0]),
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)
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</code></pre>
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<p>Restarting Amavisd service is required after updated its config file.</p>
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<p>If you're running iRedAdmin-Pro, please list your custom rules in its config
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file <code>/opt/www/iredadmin/settings.py</code> like below, so that you can use them
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in per-user, per-domain and global <code>Spam Policy</code> page.</p>
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<pre><code># Add this parameter if it doesn't exist.
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# The syntax is (Python dictionary):
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# {
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# "rule-name-1": "comment-2",
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# "rule-name-2": "comment-2",
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# }
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AMAVISD_BAN_RULES = {
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"BLOCK_COMPRESS": "Block compressed files (zip, 7z, gz, bz2, tar, rar)",
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"ALLOW_PDF": "Allow PDF files (.pdf)
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}
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</code></pre>
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<p>Restarting "iredadmin" service is required after updated its config file.</p>
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<h2 id="how-to-use-the-ban-rules">How to use the ban rules</h2>
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<h3 id="assign-ban-rules-with-iredadmin-pro">Assign ban rules with iRedAdmin-Pro</h3>
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<p>With iRedAdmin-Pro, you can easily manage per-user, per-domain and global spam
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policies, including ban rules.</p>
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<ul>
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<li>For per-user ban rules, please go to user profile page, tab "<strong>Spam Policy</strong>".</li>
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<li>For per-domain ban rules, please go to domain profile page, tab "<strong>Spam Policy</strong>".</li>
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<li>For global ban rules, please click "<strong>System</strong>" on main navigation bar, then
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choose "<strong>Global Spam Policy</strong>".</li>
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</ul>
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<p>Note: per-user spam policy has the highest priority, and global one has the
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lowest priority.</p>
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<h3 id="assign-ban-rules-with-sql-command-line">Assign ban rules with SQL command line</h3>
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<p>If you already define per-user, per-domain, or global spam policy with
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iRedAdmin-Pro or manually, you can now assign these ban rules to them.</p>
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<p>For example, if you have spam policy for user <code>user@domain.com</code>, to allow
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this user to accept Microsoft Word and Excel documents, you can run SQL
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commands below to achieve it (Note: we use MySQL for example):</p>
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<pre><code>USE amavisd;
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UPDATE policy SET banned_rulenames="ALLOW_MS_WORD,ALLOW_MS_EXCEL" WHERE policy_name="user@domain.com";
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</code></pre>
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<p>Multiple rule names must be separated by comma.</p><div class="footer">
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<p style="text-align: center; color: grey;">All documents are available in <a href="https://github.com/iredmail/docs/">GitHub 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://github.com/iredmail/docs/archive/master.zip">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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