java 邮件发送详细版

import java.io.UnsupportedEncodingException;

import java.util.Date;

import java.util.Properties;

 

import javax.mail.Authenticator;

import javax.mail.Message;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

 

    public class TextMessage { 

        //发送信件邮箱的用户名及密码 

        static String username="lileiqx@163.com"; 

        static String password="***************"; 

        public static void main(String [] args)throws Exception{ 

            String from="lileiqx@163.com"; 

            String to="lileiqx@163.com"; 

            String subject="test"; 

            String body="test!!!"; 

            Properties props = System.getProperties(); 

            // 创建信件服务器 

            props.put("mail.smtp.host", "smtp.163.com"); 

            props.put("mail.smtp.auth", "true"); 

            props.put("mail.transport.protocol", "smtp"); 

            // 得到默认的对话对象 

            Authenticator a = new Authenticator() { 

                public PasswordAuthentication getPasswordAuthentication() { 

                    return new PasswordAuthentication(username, password); 

                } 

            }; 

            //创建Session实例 

            Session session = Session.getDefaultInstance(props, a); 

            //创建MimeMessage实例对象 

            MimeMessage msg=new MimeMessage(session); 

            //设置发信人 

    //      msg.setFrom(new InternetAddress(from)); 

            //设置自定义发件人昵称 

            String nick=""; 

            try { 

                nick=javax.mail.internet.MimeUtility.encodeText("我的昵称"); 

            } catch (UnsupportedEncodingException e) { 

                e.printStackTrace(); 

            }  

            msg.setFrom(new InternetAddress (from,nick)); 

            //设置收信人 

            msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to)); 

            //设置发送日期 

            msg.setSentDate(new Date()); 

            //设置邮件主题 

            msg.setSubject(subject); 

            //设置邮件正文 

            msg.setText(body); 

            Transport.send(msg); 

        } 

    }