java发送邮件代码

import java.util.Properties;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class javaMail {
String host="";
String user="";
String password="";

public void setHost(String host)
{
this.host=host;
}

public void setAccount(String user,String password)
{
this.user=user;
this.password=password;
}

public void send(String from,String to,String subject,String content)
{
Properties props = new Properties();
props.put("mail.smtp.host", host);//指定SMTP服务器
props.put("mail.smtp.auth", "true");//指定是否需要SMTP验证
try
{
Session mailSession = Session.getDefaultInstance(props);

mailSession.setDebug(true);//是否在控制台显示debug信息

Message message=new MimeMessage(mailSession);
message.setFrom(new InternetAddress(from));//发件人
message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));//收件人

message.setSubject(subject);//邮件主题
message.setText(content);//邮件内容
message.saveChanges();

Transport transport = mailSession.getTransport("smtp");
transport.connect(host, user, password);
transport.sendMessage(message, message.getAllRecipients());
transport.close();
}catch(Exception e)
{
System.out.println(e);
}

}

// public static void main(String args[])
// {
// javaMail sm=new javaMail();
//
// sm.setHost("smtp.163.com");//指定要使用的邮件服务器
// sm.setAccount("userzh","412129");//指定帐号和密码
//
// /**//*
// * @param String 发件人的地址
// * @param String 收件人地址
// * @param String 邮件标题
// * @param String 邮件正文
// */
// sm.send("[email protected]","my first email","OK! this is my first email which sends by myself!");
// }

}