JavaMail发送邮件功能

http://www.oschina.net/code/snippet_189801_6627

感谢开源中国的Leo-H的无私分享！

import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class MailUtil {

    static int port = 25;
    static String server = "smtp.sina.com";//邮件服务器mail.cpip.net.cn
    static String from = "张三";//发送者,显示的发件人名字
    static String user = "??????@sina.com";//发送者邮箱地
    static String password = "??????????";//密码
    public static void sendEmail(String email, String subject, String body)    throws UnsupportedEncodingException {
        try {
            Properties props = new Properties();
            props.put("mail.smtp.host", server);
            props.put("mail.smtp.port", String.valueOf(port));
            props.put("mail.smtp.auth", "true");
            Transport transport = null;
            Session session = Session.getDefaultInstance(props, null);
            transport = session.getTransport("smtp");
            transport.connect(server, user, password);
            MimeMessage msg = new MimeMessage(session);
            msg.setSentDate(new Date());
            InternetAddress fromAddress = new InternetAddress(user,from,"UT            F-8");
            msg.setFrom(fromAddress);
            InternetAddress[] toAddress = new InternetAddress[1];
            toAddress[0] = new InternetAddress(email);
            msg.setRecipients(Message.RecipientType.TO, toAddress);
            msg.setSubject(subject, "UTF-8");   
            msg.setText(body, "UTF-8");
            msg.saveChanges();
            transport.sendMessage(msg, msg.getAllRecipients());
        } catch (NoSuchProviderException e) {
            e.printStackTrace();
        } catch (MessagingException e) {
            e.printStackTrace();
        }
    }
    public static void main(String args[]) throws UnsupportedEncodingExcept    ion
    {

        sendEmail("??????@sina.com","邮件测试","hello");//收件人
        System.out.println("ok");
    }
}