JavaMail邮件发送-发送一个文本邮件和一些问题说明
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关于网易的一些端口信息参考下面：
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?每个公司都是不一样的，使用SSL的和不实用的也不一样
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?使用的开发和编译环境是JDK1.4，如果你使用的是JDK1.5环境，那么你的环境需要修改一些东西，找到 javaee.jar 删除里面的 mial 包，否则会有冲突
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否则会报错：
?Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStreamat javax.mail.Session.loadProvidersFromStream(Session.java:928)at javax.mail.Session.access$000(Session.java:174)at javax.mail.Session$1.load(Session.java:870)at javax.mail.Session.loadResource(Session.java:1084)at javax.mail.Session.loadProviders(Session.java:889)at javax.mail.Session.<init>(Session.java:210)at javax.mail.Session.getInstance(Session.java:249)at com.mail.TextMail.main(TextMail.java:22)?
?下面我直接贴代码了
?package com.mail;import java.util.Date;import java.util.Properties;import javax.mail.Message;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeUtility;// 如果你使用JDK1.4以上运行 会出现 Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStream// 需要你找到 javaee.jar 删掉 里面的 mail 包public class TextMail {public static void main(String[] args) throws Exception {// 配置文件对象Properties props = new Properties();// 邮箱服务地址props.put( "mail.smtp.host ", "smtp.163.com ");// 是否进行验证props.put("mail.smtp.auth", "true");// 创建一个会话Session session = Session.getInstance(props);// 打开调试，会打印与邮箱服务器回话的内容session.setDebug(true);Message message = new MimeMessage(session);// 如果发送人没有写对，那么会出现 javamail 550 Invalid User// 如果发送人写的和使用的帐号不一致，则会出现 553 Mail from must equal authorized userInternetAddress from = new InternetAddress("test20120711120200@163.com");from.setPersonal(MimeUtility.encodeText("java小强<test20120711120200@163.com>"));message.setFrom(from);InternetAddress to = new InternetAddress("455213313@qq.com");message.setRecipient(Message.RecipientType.TO, to);message.setSubject(MimeUtility.encodeText("强哥邀请，谁敢不从！"));message.setText("强哥邀请你访问我的博客：http://cuisuqiang.iteye.com/！");message.setSentDate(new Date());Transport transport = session.getTransport("smtp");// 具体你使用邮箱的smtp地址和端口，应该到邮箱里面查看，如果使用了SSL，网易的端口应该是 465/994transport.connect("smtp.163.com", 25, "test20120711120200", "test123456");transport.sendMessage(message, message.getAllRecipients());transport.close();System.out.println("发送完毕");}}?
需要注意的有
?InternetAddress from = new InternetAddress("test20120711120200@163.com");?
和
?transport.connect("smtp.163.com", 25, "test20120711120200", "test123456");?
这两个邮箱的地址必须相同，否则会出现
?Exception in thread "main" javax.mail.MessagingException: 553 Mail from must equal authorized userat com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:1020)at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:716)at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:388)at com.mail.TextMail.main(TextMail.java:38)?
你上网查都是说用户验证不对，其实一般大家都是按照别人代码拷贝的，然后修改了用户和密码，怎么会不对！
我这个账户和密码都是可以用的，对不起网易了！
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由于上面我设置了打印调试，所以你在控制台会看到如下内容：
?DEBUG: setDebug: JavaMail version 1.3.1DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]DEBUG SMTP: useEhlo true, useAuth trueDEBUG SMTP: trying to connect to host "smtp.163.com", port 25220 163.com Anti-spam GT for Coremail System (163com[20111010])DEBUG SMTP: connected to host "smtp.163.com", port: 25EHLO cuisuqiang250-mail250-PIPELINING250-AUTH LOGIN PLAIN250-AUTH=LOGIN PLAIN250-coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UrgdNesUCa0xDrUUUUj250-STARTTLS250 8BITMIMEDEBUG 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 "coremail", arg "1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UrgdNesUCa0xDrUUUUj"DEBUG SMTP: Found extension "STARTTLS", arg ""DEBUG SMTP: Found extension "8BITMIME", arg ""DEBUG SMTP: Attempt to authenticateAUTH LOGIN334 dXNlcm5hbWU6dGVzdDIwMTIwNzExMTIwMjAw334 UGFzc3dvcmQ6dGVzdDEyMzQ1Ng==235 Authentication successfulDEBUG SMTP: use8bit falseMAIL FROM:<test20120711120200@163.com>250 Mail OKRCPT TO:<455213313@qq.com>250 Mail OKDEBUG SMTP: Verified AddressesDEBUG SMTP: 455213313@qq.comDATA354 End data with <CR><LF>.<CR><LF>Message-ID: <14518194.1341995865564.JavaMail.Administrator@cuisuqiang>Date: Wed, 11 Jul 2012 16:37:45 +0800 (CST)From: "=?GBK?Q?java=D0=A1=C7=BF<test20120711120200@163.com>?=" <test20120711120200@163.com>To: 455213313@qq.comSubject: =?GBK?B?x7+459H7x+ujrMutuNKyu7TTo6E=?=Mime-Version: 1.0Content-Type: text/plain; charset=GBKContent-Transfer-Encoding: quoted-printable=C7=BF=B8=E7=D1=FB=C7=EB=C4=E3=B7=C3=CE=CA=CE=D2=B5=C4=B2=A9=BF=CD=A3=BAhtt=p://cuisuqiang.iteye.com/=A3=A1.250 Mail OK queued as smtp2,DNGowEB52UhcO_1PZmMMCA--.937S2 1341995868QUIT?
这些都是程序与邮件服务商的一些交互信息！
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最后：
由于近期大量小网站在未经同意情况下使用文章，现将我的博客地址公布如下，请您到ITEYE网站看原创，谢谢！
http://cuisuqiang.iteye.com/?！
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStreamat javax.mail.Session.loadProvidersFromStream(Session.java:928)at javax.mail.Session.access$000(Session.java:174)at javax.mail.Session$1.load(Session.java:870)at javax.mail.Session.loadResource(Session.java:1084)at javax.mail.Session.loadProviders(Session.java:889)at javax.mail.Session.<init>(Session.java:210)at javax.mail.Session.getInstance(Session.java:249)at com.mail.TextMail.main(TextMail.java:22)