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<title>POP3D</title>
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<h1 align="center">POP3D</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#FILES">FILES</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<p>*</p>
<h2>NAME
<a name="NAME"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em">pop3d −
POP3 server process</p>
<h2>SYNOPSIS
<a name="SYNOPSIS"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>pop3d</b> [
<b>−C</b> <i>config-file</i> ] [ <b>−U</b>
<i>uses</i> ] [ <b>−T</b> <i>timeout</i> ] [
<b>−D</b> ] <br>
[ <b>−s</b> ] [ <b>−t</b> ] [ <b>−k</b> ]
[ <b>−p</b> <i>ssf</i> ]</p>
<h2>DESCRIPTION
<a name="DESCRIPTION"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><i>Pop3d</i> is
a POP3 server. It accepts commands on its standard input and
responds on its standard output. It MUST invoked by
<i>master</i>(8) with those descriptors attached to a remote
client connection.</p>
<p style="margin-left:11%; margin-top: 1em"><i>Pop3d</i>
reads its configuration options out of the
<i>imapd.conf</i>(5) file unless specified otherwise by
<b>-C</b>.</p>
<p style="margin-left:11%; margin-top: 1em">If the
directory log/<i>user</i> exists under the directory
specified in the <i>configdirectory</i> configuration
option, then <i>pop3d</i> will create protocol telemetry
logs for sessions authenticating as <i>user</i>. The
telemetry logs will be stored in the log/<i>user</i>
directory with a filename of the <i>pop3d</i>
process-id.</p>
<h2>OPTIONS
<a name="OPTIONS"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>−C</b>
<i>config-file</i></p>
<p style="margin-left:22%;">Read configuration options from
<i>config-file</i>.</p>
<p style="margin-left:11%;"><b>−U</b> <i>uses</i></p>
<p style="margin-left:22%;">The maximum number of times
that the process should be used for new connections before
shutting down. The default is 250.</p>
<p style="margin-left:11%;"><b>−T</b>
<i>timeout</i></p>
<p style="margin-left:22%;">The number of seconds that the
process will wait for a new connection before shutting down.
Note that a value of 0 (zero) will disable the timeout. The
default is 60.</p>
<table width="100%" border="0" rules="none" frame="void"
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<p><b>−D</b></p></td>
<td width="2%"></td>
<td width="78%">
<p>Run external debugger specified in debug_command.</p></td></tr>
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<td width="11%"></td>
<td width="9%">
<p><b>−s</b></p></td>
<td width="2%"></td>
<td width="78%">
<p>Serve POP3 over SSL (pop3s). All data to and from
<i>pop3d</i> is encrypted using the Secure Sockets
Layer.</p> </td></tr>
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<td width="11%"></td>
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<p><b>−t</b></p></td>
<td width="2%"></td>
<td width="78%">
<p>Do not allow the use of cleartext passwords on the wire.
Equivalent to setting <i>allowplaintext: no</i> in the
configuration file.</p></td></tr>
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<td width="11%"></td>
<td width="9%">
<p><b>−k</b></p></td>
<td width="2%"></td>
<td width="78%">
<p>Serve MIT’s KPOP (Kerberized POP) protocol
instead.</p> </td></tr>
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<td width="11%"></td>
<td width="9%">
<p><b>−p</b> <i>ssf</i></p></td>
<td width="2%"></td>
<td width="78%">
<p>Tell <i>pop3d</i> that an external layer exists. An SSF
(security strength factor) of 1 means an integrity
protection layer exists. Any higher SSF implies some form of
privacy protection.</p></td></tr>
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<h2>FILES
<a name="FILES"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>/etc/imapd.conf</b></p>
<h2>SEE ALSO
<a name="SEE ALSO"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>imapd.conf(5)</b>,
<b>cyrus-master(8)</b></p>
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