javaMail简单发送邮件

public class Mail {
//发件人邮箱和密码
static String myEmail=”[e-mail]”;
static String myEmailpassword=”xxxx”;//改成了授权码

//发件人邮箱smtp服务器 static String EmailSMTPHost="smtp.126.com";//收件人邮箱 static String sendEmail="[e-mail]";public static void main(String[] args)throws Exception{    //1.连接邮件服务器的参数配置    Properties props=new Properties();    props.setProperty("mail.transport.protocol","smtp");//协议    props.setProperty("mail.stmp.host", EmailSMTPHost);//smtp服务器地址    props.setProperty("mail.stmp.auth","true");//需要请求认证    /**     * ssl安全连接认证     */    /*    final String smtpPort="465";//根据不同邮箱改写，qq邮箱的smtp（ssl）端口为465或587    props.setProperty("mail.smtp.port",smtpPort);    props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");    props.setProperty("mail.smtp.socketFactory.fallback", "false");    props.setProperty("mail.smtp.socketFactory.port", smtpPort);    */    //2.创建回话对象和邮箱服务器交互    Session session=Session.getInstance(props);    session.setDebug(true);//设置debug模式，可查看发送log    //3.创建一封邮件    MimeMessage message=createMimeMessage(session,myEmail,sendEmail);    //4.根据session获取邮件传输对象    Transport transport=session.getTransport();    //5.使用邮箱和密码连接邮件服务器    transport.connect(EmailSMTPHost,myEmail,myEmailpassword);    //6.发送邮件, 发到所有的收件地址, message.getAllRecipients() 获取到的是在创建邮件对象时添加的所有收件人, 抄送人, 密送人    transport.sendMessage(message,message.getAllRecipients());    //7.关闭连接    transport.close();}public static MimeMessage createMimeMessage(Session session, String sendMail, String receiveMail) throws Exception {    //1.创建邮件     MimeMessage message=new MimeMessage(session);    //2.Form:发件人    message.setFrom(new InternetAddress(sendMail,""));    //3.TO:收件人    message.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(receiveMail,"用户","UTF-8"));

/*
// Cc: 抄送（可选）
message.setRecipient(MimeMessage.RecipientType.CC, new InternetAddress(“[e-mail]”, “USER_EE”, “UTF-8”));
// Bcc: 密送（可选）
message.setRecipient(MimeMessage.RecipientType.BCC, new InternetAddress(“[e-mail]”, “USER_FF”, “UTF-8”));
*/
//4.Subject:邮件主题
message.setSubject(“洞洞拐”,”UTF-8”);
//5.正文
message.setContent(“祁总你好，准备跑路吧”,”text/html;charset=UTF-8”);
//6.设置发件时间
message.setSentDate(new Date());
//7.保存设置
message.saveChanges();
return message;
}

}

“`

碰到问题：

—需要关闭SSL认证

DEBUG SMTP: nested IOException, closing
Exception in thread “main” javax.mail.MessagingException: Exception reading response;
nested exception is:
java.net.SocketException: Connection reset
at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:2204)
at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1690)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1118)
at mail.Mail.main(Mail.java:58)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:209)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
at sun.security.ssl.InputRecord.read(InputRecord.java:503)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:930)
at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:124)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
at com.sun.mail.util.LineInputStream.readLine(LineInputStream.java:89)
at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:2184)
… 3 more

—-需要开启授权码

javax.mail.AuthenticationFailedException: 535 Error: ÇëʹÓÃÊÚȨÂëµÇ¼¡£ÏêÇéÇë¿´: http://service.mail.qq.com/cgi-bin/help?subtype=1&&id=28&&no=1001256

—STMP未开启

Exception in thread “main” javax.mail.AuthenticationFailedException: 550 Óû§ÎÞȨµÇ½

at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:826)at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:761)at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:685)at javax.mail.Service.connect(Service.java:345)at javax.mail.Service.connect(Service.java:226)at mail.Mail.main(Mail.java:55)

“`

复杂邮件链接： http://blog.csdn.net/xietansheng/article/details/51722660