package test;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeUtility;import javax.mail.Session;import javax.mail.MessagingException;import javax.mail.Transport;public class SendHtmlMail {    public static void sendMessage(String smtpHost, String from, String to,String subject, String messageText) throws MessagingException,            java.io.UnsupportedEncodingException {        // Step 1: Configure the mail session        System.out.println("Configuring mail session for: " + smtpHost);        java.util.Properties props = new java.util.Properties();        props.setProperty("mail.smtp.auth", "true");// 指定是否需要SMTP验证        props.setProperty("mail.smtp.host", smtpHost);// 指定SMTP服务器        props.put("mail.transport.protocol", "smtp");        Session mailSession = Session.getDefaultInstance(props);        mailSession.setDebug(false);// 是否在控制台显示debug信息        // Step 2: Construct the message        System.out.println("Constructing message -  from=" + from + "  to=" + to);        InternetAddress fromAddress = new InternetAddress(from);        InternetAddress toAddress = new InternetAddress(to);        MimeMessage testMessage = new MimeMessage(mailSession);        testMessage.setFrom(fromAddress);        testMessage.addRecipient(javax.mail.Message.RecipientType.TO, toAddress);        testMessage.setSentDate(new java.util.Date());        testMessage.setSubject(MimeUtility.encodeText(subject, "gb2312", "B"));        testMessage.setContent(messageText, "text/html;charset=gb2312");        System.out.println("Message constructed");        // Step 3: Now send the message        Transport transport = mailSession.getTransport("smtp");        transport.connect(smtpHost, "riteng_mes", "ri-teng1234");        transport.sendMessage(testMessage, testMessage.getAllRecipients());        transport.close();        System.out.println("Message sent!");    }    public static void main(String[] args) {        String smtpHost = "10.131.119.36";        String from = "Riteng_Mes@casetekcorp.com";        String to = "Qiang1_Zhang@intra.casetekcorp.com";        String subject = "html邮件测试"; // subject javamail自动转码        StringBuffer theMessage = new StringBuffer();        theMessage.append("
这倒霉孩子
");        theMessage.append("
     
");        theMessage.append("年年失望年年望");        theMessage.append("
     
      
       
        
aaa
        
bbb
       
       
        
ccc
        
ddd
       
      
     
");        try {            SendHtmlMail.sendMessage(smtpHost, from, to, subject,theMessage.toString());        } catch (javax.mail.MessagingException exc) {            exc.printStackTrace();        } catch (java.io.UnsupportedEncodingException exc) {            exc.printStackTrace();        }    }}