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76 lines
2.4 KiB
76 lines
2.4 KiB
:mod:`smtpd` --- SMTP Server
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============================
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.. module:: smtpd
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:synopsis: A SMTP server implementation in Python.
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.. moduleauthor:: Barry Warsaw <barry@zope.com>
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.. sectionauthor:: Moshe Zadka <moshez@moshez.org>
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**Source code:** :source:`Lib/smtpd.py`
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--------------
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This module offers several classes to implement SMTP servers. One is a generic
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do-nothing implementation, which can be overridden, while the other two offer
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specific mail-sending strategies.
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SMTPServer Objects
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------------------
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.. class:: SMTPServer(localaddr, remoteaddr)
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Create a new :class:`SMTPServer` object, which binds to local address
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*localaddr*. It will treat *remoteaddr* as an upstream SMTP relayer. Both
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*localaddr* and *remoteaddr* should be a :ref:`(host, port) <host_port>`
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tuple. The object inherits from :class:`asyncore.dispatcher`, and so will
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insert itself into :mod:`asyncore`'s event loop on instantiation.
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.. method:: process_message(peer, mailfrom, rcpttos, data)
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Raise :exc:`NotImplementedError` exception. Override this in subclasses to
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do something useful with this message. Whatever was passed in the
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constructor as *remoteaddr* will be available as the :attr:`_remoteaddr`
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attribute. *peer* is the remote host's address, *mailfrom* is the envelope
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originator, *rcpttos* are the envelope recipients and *data* is a string
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containing the contents of the e-mail (which should be in :rfc:`2822`
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format).
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DebuggingServer Objects
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-----------------------
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.. class:: DebuggingServer(localaddr, remoteaddr)
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Create a new debugging server. Arguments are as per :class:`SMTPServer`.
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Messages will be discarded, and printed on stdout.
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PureProxy Objects
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-----------------
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.. class:: PureProxy(localaddr, remoteaddr)
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Create a new pure proxy server. Arguments are as per :class:`SMTPServer`.
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Everything will be relayed to *remoteaddr*. Note that running this has a good
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chance to make you into an open relay, so please be careful.
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MailmanProxy Objects
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--------------------
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.. class:: MailmanProxy(localaddr, remoteaddr)
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Create a new pure proxy server. Arguments are as per :class:`SMTPServer`.
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Everything will be relayed to *remoteaddr*, unless local mailman configurations
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knows about an address, in which case it will be handled via mailman. Note that
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running this has a good chance to make you into an open relay, so please be
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careful.
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