.. method:: IMAP4.open(host, port)
- Opens socket to *port* at *host*. The connection objects established by this
+ Opens socket to *port* at *host*. This method is implicitly called by
+ the :class:`IMAP4` constructor. The connection objects established by this
method will be used in the ``read``, ``readline``, ``send``, and ``shutdown``
- methods. You may override this method.
+ methods. You may override this method.
.. method:: IMAP4.partial(message_num, message_part, start, length)
.. method:: IMAP4.shutdown()
- Close connection established in ``open``. You may override this method.
+ Close connection established in ``open``. This method is implicitly
+ called by :meth:`IMAP4.logout`. You may override this method.
.. method:: IMAP4.socket()