handler.add("valid", new MockMailbox(identifier, MESSAGE1, MESSAGE2));
server = createServer(createProtocol(handler), address);
server.bind();
POP3Client client = createClient();
client.connect(address.getAddress().getHostAddress(), address.getPort());
assertTrue(client.login("valid", "valid"));
POP3MessageInfo[] info = client.listMessages();
assertEquals(2, info.length);
assertEquals((int) MESSAGE1.meta.getSize(), info[0].size);