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<div class="section" id="module-smtpd">
<h1>21.13. <tt class="xref docutils literal"><span class="pre">smtpd</span></tt> — SMTP Server<a class="headerlink" href="#module-smtpd" title="Permalink to this headline">¶</a></h1>
<p>This module offers several classes to implement SMTP servers. One is a generic
do-nothing implementation, which can be overridden, while the other two offer
specific mail-sending strategies.</p>
<div class="section" id="smtpserver-objects">
<h2>21.13.1. SMTPServer Objects<a class="headerlink" href="#smtpserver-objects" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="smtpd.SMTPServer">
<em class="property">class </em><tt class="descclassname">smtpd.</tt><tt class="descname">SMTPServer</tt><big>(</big><em>localaddr</em>, <em>remoteaddr</em><big>)</big><a class="headerlink" href="#smtpd.SMTPServer" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new <a title="smtpd.SMTPServer" class="reference internal" href="#smtpd.SMTPServer"><tt class="xref docutils literal"><span class="pre">SMTPServer</span></tt></a> object, which binds to local address
<em>localaddr</em>. It will treat <em>remoteaddr</em> as an upstream SMTP relayer. It
inherits from <a title="asyncore.dispatcher" class="reference external" href="asyncore.html#asyncore.dispatcher"><tt class="xref docutils literal"><span class="pre">asyncore.dispatcher</span></tt></a>, and so will insert itself into
<a title="A base class for developing asynchronous socket handling services." class="reference external" href="asyncore.html#module-asyncore"><tt class="xref docutils literal"><span class="pre">asyncore</span></tt></a>‘s event loop on instantiation.</p>
<dl class="method">
<dt id="smtpd.SMTPServer.process_message">
<tt class="descname">process_message</tt><big>(</big><em>peer</em>, <em>mailfrom</em>, <em>rcpttos</em>, <em>data</em><big>)</big><a class="headerlink" href="#smtpd.SMTPServer.process_message" title="Permalink to this definition">¶</a></dt>
<dd>Raise <a title="exceptions.NotImplementedError" class="reference external" href="exceptions.html#exceptions.NotImplementedError"><tt class="xref docutils literal"><span class="pre">NotImplementedError</span></tt></a> exception. Override this in subclasses to
do something useful with this message. Whatever was passed in the
constructor as <em>remoteaddr</em> will be available as the <tt class="xref docutils literal"><span class="pre">_remoteaddr</span></tt>
attribute. <em>peer</em> is the remote host’s address, <em>mailfrom</em> is the envelope
originator, <em>rcpttos</em> are the envelope recipients and <em>data</em> is a string
containing the contents of the e-mail (which should be in <span class="target" id="index-551"></span><a class="reference external" href="http://tools.ietf.org/html/rfc2822.html"><strong>RFC 2822</strong></a>
format).</dd></dl>
</dd></dl>
</div>
<div class="section" id="debuggingserver-objects">
<h2>21.13.2. DebuggingServer Objects<a class="headerlink" href="#debuggingserver-objects" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="smtpd.DebuggingServer">
<em class="property">class </em><tt class="descclassname">smtpd.</tt><tt class="descname">DebuggingServer</tt><big>(</big><em>localaddr</em>, <em>remoteaddr</em><big>)</big><a class="headerlink" href="#smtpd.DebuggingServer" title="Permalink to this definition">¶</a></dt>
<dd>Create a new debugging server. Arguments are as per <a title="smtpd.SMTPServer" class="reference internal" href="#smtpd.SMTPServer"><tt class="xref docutils literal"><span class="pre">SMTPServer</span></tt></a>.
Messages will be discarded, and printed on stdout.</dd></dl>
</div>
<div class="section" id="pureproxy-objects">
<h2>21.13.3. PureProxy Objects<a class="headerlink" href="#pureproxy-objects" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="smtpd.PureProxy">
<em class="property">class </em><tt class="descclassname">smtpd.</tt><tt class="descname">PureProxy</tt><big>(</big><em>localaddr</em>, <em>remoteaddr</em><big>)</big><a class="headerlink" href="#smtpd.PureProxy" title="Permalink to this definition">¶</a></dt>
<dd>Create a new pure proxy server. Arguments are as per <a title="smtpd.SMTPServer" class="reference internal" href="#smtpd.SMTPServer"><tt class="xref docutils literal"><span class="pre">SMTPServer</span></tt></a>.
Everything will be relayed to <em>remoteaddr</em>. Note that running this has a good
chance to make you into an open relay, so please be careful.</dd></dl>
</div>
<div class="section" id="mailmanproxy-objects">
<h2>21.13.4. MailmanProxy Objects<a class="headerlink" href="#mailmanproxy-objects" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="smtpd.MailmanProxy">
<em class="property">class </em><tt class="descclassname">smtpd.</tt><tt class="descname">MailmanProxy</tt><big>(</big><em>localaddr</em>, <em>remoteaddr</em><big>)</big><a class="headerlink" href="#smtpd.MailmanProxy" title="Permalink to this definition">¶</a></dt>
<dd>Create a new pure proxy server. Arguments are as per <a title="smtpd.SMTPServer" class="reference internal" href="#smtpd.SMTPServer"><tt class="xref docutils literal"><span class="pre">SMTPServer</span></tt></a>.
Everything will be relayed to <em>remoteaddr</em>, unless local mailman configurations
knows about an address, in which case it will be handled via mailman. Note that
running this has a good chance to make you into an open relay, so please be
careful.</dd></dl>
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<h3><a href="../contents.html">Table Of Contents</a></h3>
<ul>
<li><a class="reference external" href="#">21.13. <tt class="docutils literal"><span class="pre">smtpd</span></tt> — SMTP Server</a><ul>
<li><a class="reference external" href="#smtpserver-objects">21.13.1. SMTPServer Objects</a></li>
<li><a class="reference external" href="#debuggingserver-objects">21.13.2. DebuggingServer Objects</a></li>
<li><a class="reference external" href="#pureproxy-objects">21.13.3. PureProxy Objects</a></li>
<li><a class="reference external" href="#mailmanproxy-objects">21.13.4. MailmanProxy Objects</a></li>
</ul>
</li>
</ul>
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