java 发送邮箱

String host = "smtp.163.com";
		String senduser = "用户名@163.com";
		String username = "用户名";
		String password = "密码";

		Properties prop = new Properties();
		prop.setProperty("mail.smtp.host", host);
		prop.setProperty("mail.transport.protocol", "smtp");
		prop.setProperty("mail.smtp.auth", "true");

		Session session = Session.getDefaultInstance(prop);
		session.setDebug(true);

		MimeMessage message = new MimeMessage(session);
		message.setFrom(new InternetAddress(senduser));
		
		// 设置收件人
		message.setRecipient(Message.RecipientType.TO, new InternetAddress("[e-mail]"));
		// 收件主题
		message.setSubject("主题");
		// 多部分
		MimeMultipart mu = new MimeMultipart();

		MimeBodyPart text = new MimeBodyPart(); // 主体部分
		text.setContent("内容", "text/html;charset=utf-8"); // 内容
		mu.addBodyPart(text);

		mu.setSubType("mixed");

		message.setContent(mu); // 收件内容
		message.saveChanges();

		Transport ts = session.getTransport();
		ts.connect(username, password);
		ts.sendMessage(message, message.getAllRecipients());
		ts.close();
		System.out.println("成功");

 

java 发送邮箱

http://www.oracle.com/technetwork/java/javamail/index.html