New: zh_CN/howto/1-change.mail.attachment.size.md.
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@ -9,7 +9,7 @@ To change mail attachment size, we have to change 3 settings.
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Postfix is MTA, so we have to change its setting to transfer mail with large
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attachment.
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To allow mail with 100Mb attachment, please change 'message_size_limit' setting
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For example, to allow mail with 100Mb attachment, please change `message_size_limit` setting
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like below:
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```
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@ -73,9 +73,9 @@ php_value upload_max_filesize 100M
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php_value post_max_size 100M
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```
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Restart Apache or Nginx web server to make it work.
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Restart Apache or php-fpm service to make it work.
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## Change upload size in Nginx
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## Change upload file size in Nginx
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Find setting `client_max_body_size` in Nginx config file
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`/etc/nginx/nginx.conf`, change it to a proper value to match your need.
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@ -20,7 +20,7 @@
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<li><a href="#change-roundcube-webmail-settings-to-allow-large-attachment">Change Roundcube webmail settings to allow large attachment</a></li>
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</ul>
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</li>
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<li><a href="#change-upload-size-in-nginx">Change upload size in Nginx</a></li>
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<li><a href="#change-upload-file-size-in-nginx">Change upload file size in Nginx</a></li>
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</ul>
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</li>
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</ul>
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@ -29,7 +29,7 @@
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<h2 id="change-message-size-limit-in-postfix">Change message size limit in postfix</h2>
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<p>Postfix is MTA, so we have to change its setting to transfer mail with large
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attachment.</p>
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<p>To allow mail with 100Mb attachment, please change 'message_size_limit' setting
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<p>For example, to allow mail with 100Mb attachment, please change <code>message_size_limit</code> setting
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like below:</p>
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<pre><code># postconf -e message_size_limit='104857600'
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</code></pre>
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@ -81,8 +81,8 @@ php_value upload_max_filesize 100M
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php_value post_max_size 100M
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</code></pre>
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<p>Restart Apache or Nginx web server to make it work.</p>
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<h2 id="change-upload-size-in-nginx">Change upload size in Nginx</h2>
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<p>Restart Apache or php-fpm service to make it work.</p>
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<h2 id="change-upload-file-size-in-nginx">Change upload file size in Nginx</h2>
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<p>Find setting <code>client_max_body_size</code> in Nginx config file
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<code>/etc/nginx/nginx.conf</code>, change it to a proper value to match your need.</p>
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<p>```
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@ -0,0 +1,93 @@
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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>修改邮件附件大小</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="http://www.iredmail.org" target="_blank">iRedMail web site</a>
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// <a href="./index.html">Document Index</a>
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</div><h1 id="_1">修改邮件附件大小</h1>
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<div class="toc">
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<ul>
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<li><a href="#_1">修改邮件附件大小</a><ul>
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<li><a href="#postfix">修改 postfix 中邮件大小的设置</a></li>
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<li><a href="#roundcube">修改 Roundcube 网页邮箱的附件上传大小</a><ul>
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<li><a href="#php">修改 PHP 设置允许上传大附件</a></li>
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<li><a href="#roundcube_1">修改 Roundcube 网页邮箱设置以允许上传大附件</a></li>
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</ul>
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</li>
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<li><a href="#nginx">修改 Nginx 上传文件大小</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>要修改邮件附件大小，需要修改三个地方。</p>
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<h2 id="postfix">修改 postfix 中邮件大小的设置</h2>
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<p>Postfix 是一个邮件传送代理（MTA），因此，要修改配置以使它能传送大附件的邮件。</p>
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<p>假设要修改附件大小为 100MB，需对 <code>message_size_limit</code> 做如下修改：</p>
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<pre><code># postconf -e message_size_limit='104857600'
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</code></pre>
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<p>之后重启 Postfix 服务，使上述修改生效:</p>
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<pre><code># /etc/init.d/postfix restart
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</code></pre>
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<p><strong>注意</strong>:</p>
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<ul>
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<li><code>104857600</code> 是由 100 (MB) x 1024 (KB) x 1024 (Bit) 计算得到的结果。</li>
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<li>邮件在发送前会被客户端（Outlook，Thunderbird等）重新编码，导致邮件大小会超过
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100MB，所以建议将上述设置中的邮件大小改为 110MB 或 120MB 即可。</li>
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</ul>
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<p>这样你就可以通过客户端正常发送邮件了。</p>
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<h2 id="roundcube">修改 Roundcube 网页邮箱的附件上传大小</h2>
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<p>如果使用 Roundcube 网页邮箱，需要额外更改两个地方：</p>
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<h3 id="php">修改 PHP 设置允许上传大附件</h3>
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<p>修改 PHP 配置文件 <code>/etc/php.ini</code> 中的 <code>memory_limit</code>， <code>upload_max_filesize</code> 和 <code>post_max_size</code> 三个参数：</p>
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<ul>
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<li>在 RHEL/CentOS 系统上: 配置文件路径是 <code>/etc/php.ini</code></li>
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<li>在 Debian/Ubuntu 系统上，配置文件路径是 <code>/etc/php5/apache2/php.ini</code></li>
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<li>在 FreeBSD 系统上，配置文件路径是 <code>/usr/local/etc/php.ini</code> （Apache），或者是 <code>/etc/php5/fpm/php.ini</code> （Nginx）。</li>
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<li>在 OpenBSD 系统上，配置文件路径是 <code>/etc/php-5.4.ini</code>。如果你运行的 PHP 版本号为 5.4 ，路径将会不一样。</li>
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</ul>
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<pre><code>memory_limit = 200M;
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upload_max_filesize = 100M;
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post_max_size = 100M;
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</code></pre>
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<h3 id="roundcube_1">修改 Roundcube 网页邮箱设置以允许上传大附件</h3>
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<p>修改 roundcube 目录下的 <code>.htaccess</code> 文件:</p>
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<ul>
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<li>在 RHEL/CentOS 系统上，此文件路径为 <code>/var/www/roundcubemail/.htaccess</code></li>
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<li>在 Debian/Ubuntu 系统上，此文件路径为 <code>/usr/share/apache2/roundcubemail/.htaccess</code> 或者
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<code>/opt/www/roundcubemail/.htaccess</code>.</li>
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<li>在 FreeBSD 系统上，此文件路径为 <code>/usr/local/www/roundcubemail/.htaccess</code></li>
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<li>在 OpenBSD 系统上，此文件路径为 <code>/var/www/roundcubemail/.htaccess</code></li>
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</ul>
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<p>注意:某些 Linux/BSD 发行版本可能没有 <code>.htaccess</code> 文件，此时你可以忽略此步骤。</p>
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<pre><code>php_value memory_limit 200M
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php_value upload_max_filesize 100M
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php_value post_max_size 100M
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</code></pre>
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<p>重启 Apache 或 php-fpm 服务以使上述修改生效。</p>
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<h2 id="nginx">修改 Nginx 上传文件大小</h2>
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<p>在配置文件 <code>/etc/nginx/nginx.conf</code> 中找到参数 <code>client_max_body_size</code> ，按需要修改大小：</p>
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<p>```
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http {
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...
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client_max_body_size 100m;
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...
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}</p><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<script>
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(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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ga('create', 'UA-3293801-21', 'auto');
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ga('send', 'pageview');
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</script>
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</body></html>
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@ -8,7 +8,11 @@
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<div id="navigation">
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<a href="http://www.iredmail.org" target="_blank">iRedMail web site</a>
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</div><h3 id="_1">排错与调试</h3>
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</div><h3 id="how-to">How to</h3>
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<ul>
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<li><a href="change.mail.attachment.size.html">修改邮件附件大小</a></li>
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</ul>
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<h3 id="_1">排错与调试</h3>
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<ul>
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<li><a href="debug.dovecot.html">开启 Dovecot 调试模式</a></li>
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</ul><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<script>
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@ -8,7 +8,7 @@
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Postfix 是一个邮件传送代理（MTA），因此，要修改配置以使它能传送大附件的邮件。
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假设要修改附件大小为100MB，只需对 'message_size_limit' 做如下修改：
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假设要修改附件大小为 100MB，需对 `message_size_limit` 做如下修改：
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```
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# postconf -e message_size_limit='104857600'
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@ -23,7 +23,8 @@ Postfix 是一个邮件传送代理（MTA），因此，要修改配置以使它
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__注意__:
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* `104857600` 是由 100 (MB) x 1024 (KB) x 1024 (Bit) 计算得到的结果。
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* 邮件在发送前会被客户端（Outlook，Thunderbird等）重新编码，导致邮件大小会超过 100MB，你只需将上述设置中的大小改为 110MB 或 120MB 即可。
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* 邮件在发送前会被客户端（Outlook，Thunderbird等）重新编码，导致邮件大小会超过
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100MB，所以建议将上述设置中的邮件大小改为 110MB 或 120MB 即可。
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这样你就可以通过客户端正常发送邮件了。
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@ -64,9 +65,9 @@ php_value upload_max_filesize 100M
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php_value post_max_size 100M
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```
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至此，重启 Apache 或 Nginx 服务以使上述修改生效。
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重启 Apache 或 php-fpm 服务以使上述修改生效。
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## 修改 Nginx 上传大小
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## 修改 Nginx 上传文件大小
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在配置文件 `/etc/nginx/nginx.conf` 中找到参数 `client_max_body_size` ，按需要修改大小：
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@ -0,0 +1 @@
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How to
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