java Socket发送QQ邮件_soket获取qq邮件列表-优快云博客

本文介绍了一个使用Java进行邮件发送的测试代码示例，通过Socket连接SMTP服务器，利用Base64加密的QQ邮箱账号和授权码实现邮件的发送过程。

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public class SendTest {
    public static void main(String[] args) throws IOException {
        for(int i=0;i<100;i++){
            Socket socket = new Socket("smtp.qq.com", 25);
            InputStream inStream = socket.getInputStream();
            OutputStream outStream = socket.getOutputStream();
            PrintWriter out = new PrintWriter(outStream, true);
            Scanner in = new Scanner(inStream);
            String hostName = InetAddress.getLocalHost().getHostName();
            receive(in);
            send("HELO " + hostName, out);
            receive(in);
            send("AUTH LOGIN",out);
            receive(in);
            send("MTI0NDI1NDM2NQ==",out);//QQ号Base64加密（纯数字）  http://www.bejson.com/enc/base64/  加密网址
            receive(in);
            send("Z3Vib3Z0aWlyZnd6amJiZg==",out);//授权码Base64加密
            receive(in);
            send("MAIL FROM:<QQ号@qq.com>", out);
            receive(in);
            send("RCPT TO:<QQ号@qq.com>", out);
            receive(in);
            send("DATA", out);
            receive(in);
            send("哈哈 你好", out);
            send(".", out);
            receive(in);
            socket.close();
        }

    }

    public static void send(String s,PrintWriter out) {
        out.print(s.replaceAll("\n", "\r\n"));
        out.print("\r\n");
        out.flush();
        System.out.println(s);
    }
    public static void receive(Scanner scanner){
        String line = scanner.nextLine();
        System.out.println(line);
    }
}