java邮件发送

package com.yjf.borncrm.service.utils;
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;


public class MailSend
{
//mail server
private String host = "smtp.qq.com";
//mail account
private String username = "929307098@qq.com";
//password
private String password = "125711lx";

private String mail_head_name = "Head of test mail";

private String mail_head_value = "Head of test mail";

private String mail_to = "929307098@qq.com";

private String mail_from = "929307098@qq.com";

private String mail_subject = "subject of test mail";

// private String mail_body = "content of of test mail";

private String personalName = "test_mail!";

public MailSend()
{
}


public void send(String mail_body) throws Exception
{
try
{
Properties props = new Properties(); // 获取系统环境
Authenticator auth = new Email_Autherticator(); // 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.setSubject(mail_subject);
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 over!");
} 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)
// {
// MailSend sendmail = new MailSend();
// try
// {
// sendmail.send();
// } catch (Exception ex)
// {
// }
// }

}