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<span class="target" id="imap-developer-thoughts-notes"></span><section id="cyrus-imap-server-notes">
<h1>Cyrus IMAP Server: Notes<a class="headerlink" href="#cyrus-imap-server-notes" title="Permalink to this heading"></a></h1>
<ul class="simple">
<li><p>appending: it's important that the index records for individual
messages make it to disk before the index header indicating that
they're there. so something like:</p>
<ol class="arabic simple">
<li><p>sync messages to disk (or depend on <code class="docutils literal notranslate"><span class="pre">link()</span></code> being atomic)</p></li>
<li><p>create new index records, flush to disk</p></li>
<li><p>create new header if necessary (adding new user flag), flush to
disk</p></li>
<li><p>flush cache file</p></li>
<li><p>update index header, flush to disk</p></li>
</ol>
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