JavaMail总结

JavaMail 总结

1.发送邮件都是根据smtp协议基于socket发送到新浪smtp服务器,并保存在该新浪邮箱的存储器中。
2.然后发送到收件人的账户的搜狐的smtp服务器中，并保存在搜狐的存储器中。
3.搜狐收件人从pop服务器获取该邮件。

import java.util.Properties;
import javax.mail.Session;
import javax.mail.internet.MimeMessage;


    import java.util.Properties;
      import javax.mail.Address;
      import javax.mail.MessagingException;
     import javax.mail.Session;
     import javax.mail.Transport;
     import javax.mail.internet.InternetAddress;
     import javax.mail.internet.MimeMessage;

    public class Email {

        public static void main(String[] args) throws Exception {
             Properties props = new Properties();
             props.put("mail.smtp.host", "smtp.sina.cn");
            props.put("mail.smtp.auth", "true");
             //基本的邮件会话
             Session session = Session.getInstance(props);
             //构造信息体
             MimeMessage message = new MimeMessage(session);
             //发件地址
            Address address = new InternetAddress("[email protected]");
             message.setFrom(address);
             //收件地址
            Address toAddress = new InternetAddress("[email protected]");
             message.setRecipient(MimeMessage.RecipientType.TO, toAddress);

             //主题
             message.setSubject("Hello world");
            //正文
            message.setText("Hello world");

             message.saveChanges(); // implicit with send()
            //Exception in thread "main" javax.mail.NoSuchProviderException: smtp
             session.setDebug(true);
             Transport transport = session.getTransport("smtp");
             transport.connect("smtp.sina.cn", "[email protected]", "password");
             //发送
            transport.sendMessage(message, message.getAllRecipients());
            transport.close();

         }
     }