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| 54 | <div class="section" id="overview-of-postman-s-architecture">
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| 55 | <h1><a class="toc-backref" href="#id1">Overview of postman’s architecture</a><a class="headerlink" href="#overview-of-postman-s-architecture" title="Permalink to this headline">¶</a></h1>
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| 56 | <div class="contents topic" id="contents">
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| 57 | <p class="topic-title first">Contents</p>
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| 58 | <ul class="simple">
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| 59 | <li><a class="reference internal" href="#overview-of-postman-s-architecture" id="id1">Overview of postman’s architecture</a><ul>
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| 60 | <li><a class="reference internal" href="#introduction" id="id2">Introduction</a></li>
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| 61 | <li><a class="reference internal" href="#postman-daemon" id="id3">Postman daemon</a></li>
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| 62 | <li><a class="reference internal" href="#mta-client" id="id4">MTA client</a></li>
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| 63 | <li><a class="reference internal" href="#cli-client" id="id5">CLI client</a></li>
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| 64 | <li><a class="reference internal" href="#web-client" id="id6">Web client</a></li>
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| 65 | </ul>
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| 66 | </li>
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| 67 | </ul>
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| 68 | </div>
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| 69 | <div class="section" id="introduction">
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| 70 | <h2><a class="toc-backref" href="#id2">Introduction</a><a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
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| 71 | <p>Postman has been designed following a <strong>multi-component structure</strong>. There is
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| 72 | <strong>a daemon</strong> that manage the mailing lists and members information in a storage
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| 73 | backend and there are <strong>different kinds of clients</strong> (currently, three of them)
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| 74 | that <strong>interact with the daemon using a XMLRPC link</strong>.</p>
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| 75 | <p>This is the scheme of the architecture:</p>
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| 76 | <img alt="Scheme of the architecture behind Postman" class="open-fancybox" src="_images/postman_architecture.png" />
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| 77 | </div>
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| 78 | <div class="section" id="postman-daemon">
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| 79 | <span id="overview-postman-daemon"></span><h2><a class="toc-backref" href="#id3">Postman daemon</a><a class="headerlink" href="#postman-daemon" title="Permalink to this headline">¶</a></h2>
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| 80 | <p>The daemon will perform all the operations regarding the management of the
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| 81 | mailing lists and members. The daemon will save information of a given
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| 82 | mailing list to the storage backend, and will read information of already
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| 83 | saved lists from there too.</p>
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| 84 | <p>It listens for incoming XMLRPC requests on a given tcp port, allowing clients
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| 85 | to add/update/delete data from the backend.</p>
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| 86 | </div>
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| 87 | <div class="section" id="mta-client">
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| 88 | <span id="overview-postman-mta-client"></span><h2><a class="toc-backref" href="#id4">MTA client</a><a class="headerlink" href="#mta-client" title="Permalink to this headline">¶</a></h2>
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| 89 | <p>This client is attached to a given MTA, and is called but the MTA itself when
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| 90 | emails for a mailing lists are received. The client performs some checks on the
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| 91 | backend to tell the MTA what it has to do with the incoming emails.</p>
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| 92 | </div>
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| 93 | <div class="section" id="cli-client">
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| 94 | <span id="overview-postman-cli-client"></span><h2><a class="toc-backref" href="#id5">CLI client</a><a class="headerlink" href="#cli-client" title="Permalink to this headline">¶</a></h2>
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| 95 | <p>This is a shell-like interface that can be used to add mailing lists to a given
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| 96 | Postman server, edit such mailing lists information, add members, etc.</p>
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| 97 | </div>
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| 98 | <div class="section" id="web-client">
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| 99 | <span id="overview-postman-web-client"></span><h2><a class="toc-backref" href="#id6">Web client</a><a class="headerlink" href="#web-client" title="Permalink to this headline">¶</a></h2>
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| 100 | <p>This is a small <em>webapp</em> that can be used to perform the same management
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| 101 | operations you can achieve using the
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| 102 | <a class="reference internal" href="#overview-postman-cli-client"><em>CLI client</em></a>.</p>
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| 112 | <h3><a href="index.html">Table Of Contents</a></h3>
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| 113 | <ul>
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| 114 | <li><a class="reference internal" href="#">Overview of postman’s architecture</a><ul>
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| 115 | <li><a class="reference internal" href="#introduction">Introduction</a></li>
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| 116 | <li><a class="reference internal" href="#postman-daemon">Postman daemon</a></li>
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| 117 | <li><a class="reference internal" href="#mta-client">MTA client</a></li>
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| 118 | <li><a class="reference internal" href="#cli-client">CLI client</a></li>
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| 119 | <li><a class="reference internal" href="#web-client">Web client</a></li>
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| 126 | title="previous chapter">Postman official documentation</a></p>
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| 129 | title="next chapter">Installation instructions</a></p>
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