javamail: 553 You are not authorized to send mail, authentication is required

2009-04-23 03:47:24 2.4k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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代码



package cn.itcast.javamail;



import java.util.Properties;



import javax.mail.Address;

import javax.mail.Message;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;







	

public class Demo1 {



	/**

	 * @param args

	 */

	public static void main(String[] args) throws Exception {

		Properties props=new Properties();

		props.setProperty("mail.smtp.auth", "true");

		props.setProperty("mail.transport.protocol","smtp");

		Session session=Session.getInstance(props);

		session.setDebug(true);

		

		Message msg=new MimeMessage(session);

		msg.setText("你好吗？");

		msg.setFrom(new InternetAddress("111@sohu.com"));

		

		Transport transport=session.getTransport();

		transport.connect("smtp.163.com" , 25, "ange****","******");

		transport.sendMessage(msg,new Address[]{new InternetAddress("l****@163.com") });

		transport.close();

	}



}

错误代码553是什么意思？
错误代码553的错误英文原文是：
553 you are not authorized to send mail as , authentication is required

为何经常出现软件提示：超时，对方smtp服务没有响应
对于网络比较繁忙或者是使用低速设备上网的用户，请适当扩大默认的超时时间“60”秒。例如扩大到“120”秒、“180”秒或者更长，总之要根据个人情况摸索。
测试信息



DEBUG: setDebug: JavaMail version 1.4.2

DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]

DEBUG SMTP: useEhlo true, useAuth true

DEBUG SMTP: trying to connect to host "smtp.163.com", port 25, isSSL false

220 163.com Anti-spam GT for Coremail System (163com[20081010])

DEBUG SMTP: connected to host "smtp.163.com", port: 25



EHLO MICROSOF-LI

250-mail

250-PIPELINING

250-AUTH LOGIN PLAIN

250-AUTH=LOGIN PLAIN

250 8BITMIME

DEBUG SMTP: Found extension "PIPELINING", arg ""

DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN"

DEBUG SMTP: Found extension "AUTH=LOGIN", arg "PLAIN"

DEBUG SMTP: Found extension "8BITMIME", arg ""

DEBUG SMTP: Attempt to authenticate

DEBUG SMTP: check mechanisms: LOGIN PLAIN DIGEST-MD5 

AUTH LOGIN

334 dXNlcm5hbWU6

YW5nZWxjbTUx

334 UGFzc3dvcmQ6

MTk4NzEwMjM=

235 Authentication successful

DEBUG SMTP: use8bit false

MAIL FROM:<111@sohu.com>

553 You are not authorized to send mail, authentication is required

DEBUG SMTP: got response code 553, with response: 553 You are not authorized to send mail, authentication is required



RSET

250 OK

com.sun.mail.smtp.SMTPSendFailedException: 553 You are not authorized to send mail, authentication is required



	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1668)

	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1207)

	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:735)

	at cn.itcast.javamail.Demo1.main(Demo1.java:33)

Exception in thread "main" com.sun.mail.smtp.SMTPSendFailedException: 553 You are not authorized to send mail, authentication is required



	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1668)

	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1207)

	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:735)

	at cn.itcast.javamail.Demo1.main(Demo1.java:33)