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<H1><A NAME="SECTION0013700000000000000000">
11.7 <tt class="module">poplib</tt> --
         POP3 protocol client</A>
</H1>

<P>


<P>


<P>
This module defines a class, <tt class="class">POP3</tt>, which encapsulates a
connection to an POP3 server and implements protocol as defined in
<a class="rfc" name="rfcref-47038"
href="javascript:if(confirm('http://www.ietf.org/rfc/rfc1725.txt  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.ietf.org/rfc/rfc1725.txt'" tppabs="http://www.ietf.org/rfc/rfc1725.txt">RFC 1725 <img src="offsite.gif" tppabs="http://www.python.org/doc/current/icons/offsite.gif"
  border='0' class='offsitelink' height='15' width='17' alt='[off-site link]'
  ></a>.  The <tt class="class">POP3</tt> class supports both the minimal and
optional command sets.

<P>
A single class is provided by the <tt class="module">poplib</tt> module:

<P>
<dl><dt><b><a name='l2h-2073'><tt class='class'>POP3</tt></a></b> (<var>host</var><big>[</big><var>, port</var><big>]</big>)
<dd>
This class implements the actual POP3 protocol.  The connection is
created when the instance is initialized.
If <var>port</var> is omitted, the standard POP3 port (110) is used.
</dl>

<P>
One exception is defined as an attribute of the <tt class="module">poplib</tt> module:

<P>
<dl><dt><b><a name='l2h-2074'><tt class='exception'>error_proto</tt></a></b>
<dd>
Exception raised on any errors.  The reason for the exception is
passed to the constructor as a string.
</dl>

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<LI><A NAME="tex2html4015"
  href="pop3-objects.html" tppabs="http://www.python.org/doc/current/lib/pop3-objects.html">11.7.1 POP3 Objects </A>
<LI><A NAME="tex2html4016"
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