smtpd.py 文件源码

def __init__(self, server, conn, addr):
        asynchat.async_chat.__init__(self, conn)
        self.smtp_server = server
        self.conn = conn
        self.addr = addr
        self.received_lines = []
        self.smtp_state = self.COMMAND
        self.seen_greeting = ''
        self.mailfrom = None
        self.rcpttos = []
        self.received_data = ''
        self.fqdn = socket.getfqdn()
        self.num_bytes = 0
        try:
            self.peer = conn.getpeername()
        except socket.error as err:
            # a race condition  may occur if the other end is closing
            # before we can get the peername
            self.close()
            if err.args[0] != errno.ENOTCONN:
                raise
            return
        print('Peer:', repr(self.peer), file=DEBUGSTREAM)
        self.push('220 %s %s' % (self.fqdn, __version__))
        self.set_terminator(b'\r\n')

    # properties for backwards-compatibility