'Initialize a Mailbox instance.'

def __init__(self, host, user=None, password=None, auth_type='password', use_ssl=True, port=None, debug=False, conn_cls=None, session=None):

    Mailbox.__init__(self, '/')
    self.host = host
    self.user = user
    self.password = password
    self.auth_type = auth_type
    self.use_ssl = use_ssl
    self.port = port
    self.debug = debug
    self.conn_cls = conn_cls
    self.session = session
    self._lock = MboxRLock()
    self._pop3 = None
    self._connect()
