JavaMail发送邮件到qq邮箱的过程中遇到的问题及解决办法

    今天在使用javamail发送邮件到qq邮箱的过程中,遇到了一些问题

    刚开始按网上的代码写

// 发送纯文本信息
Properties prop = new Properties();
prop.setProperty("mail.smtp.host", "smtp.qq.com");    // 注意,企业邮箱地址不同
prop.setProperty("mail.transport.protocol", "smtp");
prop.put("mail.smtp.auth", true);    // 此处的true不要使用字符串形式的"true", 被坑过.....
prop.setProperty("mail.smtp.port", "465");

Session session = Session.getDefaultInstance(prop, new Authenticator() {
	@Override
	protected PasswordAuthentication getPasswordAuthentication() {
		return new PasswordAuthentication("[email protected]", "xxxxx");
	}
});
session.setDebug(true);    // 打印调试信息

MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
message.setSubject("xx");
message.setText("xxx");

Transport.send(message);

上面的代码在运行的时候是连不上qq邮箱的服务器的,因为qq邮箱采用了ssl协议, 所以上面得加上一行

prop.put("mail.smtp.ssl.enable", "true");   // 启用ssl

在jdk8运行时, 会出现如下异常:

javax.mail.MessagingException: Could not connect to SMTP host: smtp.qq.com, port: 465;
  nested exception is:
	javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
	......
Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
	

 经过查找,该问题出现是因为jdk8里面的安全机制的问题,具体见 jdk_jce,

要替换的资源下载地址: http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html

覆盖之前记得备份jdk里的原文件

javamail maven 地址: http://mvnrepository.com/artifact/javax.mail/mail