java email 过程

这个例子是张三同学写给李四mm的一封email情书...

import java.util.Date;

import java.util.Properties;

import javax.mail.Address;
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;


/**
 * 
 * @author：Ellrien
 * @date: 2013-10-8上午10:26:26
 * @version: 1.0
 */
public class EmailSupport {
/**
* 发送普通邮件
*/
// 邮箱服务器

private String host = "smtp.126.com";

// 这个是你的邮箱用户名

private String username = "zhangsan";

// 你的邮箱密码

private String password = "password";

private String mail_head_name = "this is head of this mail";

private String mail_head_value = "this is head of this mail";

//收件人email地址

private String mail_to = "lisi@163.com";

//发件人email地址

private String mail_from = "zhangsan@126.com";

//邮件主题

private String mail_subject = "邮件主题";

//邮件内容

private String mail_body = "邮件内容：李四mm，巴拉巴拉一大堆令李四mm心动的话...";

//发件人名称

private String personalName = "发件人姓名";


/**
* 此段代码用来发送普通电子邮件
*/
public void send() throws Exception {
try {
Properties props = new Properties(); // 获取系统环境
Authenticator auth = new Email_Autherticator(); // 进行邮件服务器用户认证
props.put("mail.smtp.host", host);
props.put("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(props, auth);
// 设置session,和邮件服务器进行通讯。
MimeMessage message = new MimeMessage(session);
// message.setContent("foobar, "application/x-foobar"); // 设置邮件格式
message.setSubject(mail_subject); // 设置邮件主题
message.setText(mail_body); // 设置邮件正文
message.setHeader(mail_head_name, mail_head_value); // 设置邮件标题
message.setSentDate(new Date()); // 设置邮件发送日期
Address address = new InternetAddress(mail_from, personalName);
message.setFrom(address); // 设置邮件发送者的地址
Address toAddress = new InternetAddress(mail_to); // 设置邮件接收方的地址
message.addRecipient(Message.RecipientType.TO, toAddress);
Transport.send(message); // 发送邮件
System.out.println("send ok!");
} catch (Exception ex) {
ex.printStackTrace();
throw new Exception(ex.getMessage());
}
}


/**
* 用来进行服务器对用户的认证
*/
public class Email_Autherticator extends Authenticator {
public Email_Autherticator() {
super();
}

public Email_Autherticator(String user, String pwd) {
super();
username = user;
password = pwd;
}

public PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(username, password);
}
}


public static void main(String[] args) {
EmailSupport sendmail = new EmailSupport();
try {
sendmail.send();
} catch (Exception ex) {
}
}
}

需要：javamail.jar，下载地址见下面的评论。