128 lines
5.4 KiB
HTML
128 lines
5.4 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>Mailbox sharing (Sharing IMAP folder with other users)</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://github.com/iredmail/docs">Help translate more</a></p>
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<p><a href="./mailbox.sharing-zh_CN.html">简体中文</a> /</p>
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</div>
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<h1 id="mailbox-sharing-sharing-imap-folder-with-other-users">Mailbox sharing (Sharing IMAP folder with other users)</h1>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<ul>
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<li>Since iRedMail-<code>0.9.0</code>, mailbox sharing are enabled by default, you don't
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need to modify any config file.</li>
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<li>Since iRedMail-<code>0.7.0</code>, mailbox sharing related settings are configured
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in Dovecot but not enabled, what you need to do is enabling <code>acl</code> plugin
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as mentioned below.</li>
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<li>Do not mistake "shared folders" for "public folders". For shared folders,
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users must select which folder they want to share and with who, using an
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interface, like IMAP command line or the ones available with Roundcube
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webmail or SOGo and SOGo connectors.</li>
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</ul>
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</div>
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<h2 id="enable-mailbox-sharing">Enable mailbox sharing</h2>
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<p>To enable mailbox sharing, please make sure you have plugin <code>acl</code> enabled
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in Dovecot config file <code>/etc/dovecot/dovecot.conf</code> like below:</p>
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<ul>
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<li>For Dovecot-1.2:</li>
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</ul>
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<pre><code># Part of file: /etc/dovecot/dovecot.conf
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protocol lda {
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mail_plugins = ... acl
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}
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protocol imap {
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mail_plugins = ... acl imap_acl
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}
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</code></pre>
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<ul>
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<li>For Dovecot-2.x:</li>
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</ul>
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<pre><code># Part of file: /etc/dovecot/dovecot.conf
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mail_plugins = ... acl
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protocol imap {
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mail_plugins = ... imap_acl
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}
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</code></pre>
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<p>Restarting Dovecot service is required.</p>
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<h2 id="test-shared-folder">Test shared folder</h2>
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<p>Example: share <code>from@domain.ltd</code>'s <code>Sent</code> folder to user <code>testing@domain.ltd</code>.</p>
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<div class="admonition warning">
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<p class="admonition-title">Warning</p>
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<p>Do not forget the dot before each IMAP command.</p>
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</div>
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<pre><code># telnet localhost 143 # <- Type this.
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* OK [...] Dovecot ready.
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. login from@domain.ltd passwd # <- Type this.
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# Login with full email address and password
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. OK [... ACL ..] Logged in
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. SETACL Sent testing@domain.ltd rli # <- Type this.
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# Share folder `Sent` with user testing@domain.ltd,
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# with permissions: read (r), lookup (l) and insert (i).
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. OK Setacl complete.
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^] # <- Press `Ctrl + ]` to exit telnet.
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telnet> quit
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</code></pre>
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<p>Log into Roundcube webmail or SOGo as user <code>testing@domain.ltd</code>, you should
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see the shared folder.</p>
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<p>Some more details:</p>
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<ul>
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<li>
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<p>After you shared folder with <code>SETACL</code> command, dovecot will insert a record
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in MySQL database.</p>
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<ul>
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<li>With OpenLDAP backend, it's stored in <code>iredadmin.share_folder</code>.</li>
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<li>With MySQL/MariaDB/PostgreSQL backends, it's stored in <code>vmail.share_folder</code>.</li>
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</ul>
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</li>
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</ul>
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<pre><code># mysql -uroot -p
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mysql> USE vmail;
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mysql> SELECT * FROM share_folder;
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+-----------------+--------------------+-------+
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| from_user | to_user | dummy |
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+-----------------+--------------------+-------+
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| from@domain.ltd | testing@domain.ltd | 1 |
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+-----------------+--------------------+-------+
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</code></pre>
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<h2 id="references">References</h2>
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<ul>
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<li>
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<p>Dovecot wiki:</p>
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<ul>
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<li><a href="http://wiki2.dovecot.org/SharedMailboxes/Shared">Mailbox sharing between users (v2.0+)</a></li>
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<li><a href="http://wiki.dovecot.org/SharedMailboxes/Shared">Mailbox sharing between users (v1.2+)</a></li>
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</ul>
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</li>
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<li>
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<p>Roundcubemail has official plugin <code>acl</code> to manage mailbox sharing.</p>
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</li>
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<li>SOGo groupware supports mailbox sharing by default: right-click IMAP folder, choose <code>Sharing</code>.</li>
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<li><a href="https://addons.mozilla.org/en-US/thunderbird/addon/imap-acl-extension/">Imap-ACL-Extension for Thunderbird</a>, manage acls/permissions for shared mailboxes/folders on imap servers.</li>
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</ul>
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<h2 id="see-also">See Also</h2>
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<ul>
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<li><a href="./public.folder.html">How to create and manage public folder</a></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://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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</div></body></html> |