java 发送邮件代码

package com.haomingkai.mail;

 

import java.util.Calendar;

import java.util.Properties;

 

import javax.mail.Authenticator;

import javax.mail.MessagingException;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMessage.RecipientType;

 

public class SendMail {

@SuppressWarnings("static-access")

public static void sendMessage(String smtpHost, String from, String fromUserPassword, String to, String subject,

String messageText, String messageType) throws MessagingException {

// 第一步：配置javax.mail.Session对象

System.out.println("为" + smtpHost + "配置mail session对象");

 

Properties props = new Properties();

props.put("mail.smtp.host", smtpHost);

props.put("mail.smtp.starttls.enable", "true");// 使用 STARTTLS安全连接

props.put("mail.smtp.port", "25"); // google使用465或587端口

props.put("mail.smtp.auth", "true"); // 使用验证

// props.put("mail.debug", "true");

Session mailSession = Session.getInstance(props, new MyAuthenticator(from, fromUserPassword));

 

// 第二步：编写消息

System.out.println("编写消息from——to:" + from + "——" + to);

 

InternetAddress fromAddress = new InternetAddress(from);

InternetAddress toAddress = new InternetAddress(to);

 

MimeMessage message = new MimeMessage(mailSession);

 

message.setFrom(fromAddress);

message.addRecipient(RecipientType.TO, toAddress);

 

message.setSentDate(Calendar.getInstance().getTime());

message.setSubject(subject);

message.setContent(messageText, messageType);

 

// 第三步：发送消息

Transport transport = mailSession.getTransport("smtp");

transport.connect(smtpHost, "[email protected]", fromUserPassword);

transport.send(message, message.getRecipients(RecipientType.TO));

System.out.println("message yes");

}

 

public static void main(String[] args) {

try {

//smtp.exmail.qq.com 发送邮件服务器

SendMail.sendMessage("smtp.exmail.qq.com", "发件人邮箱", "发件邮箱密码", "收件人",

"nihao", "---------------wrwe-----------", "text/html;charset=gb2312");

} catch (MessagingException e) {

e.printStackTrace();

}

}

}

 

class MyAuthenticator extends Authenticator {

String userName = "";

String password = "";

 

public MyAuthenticator() {

 

}

 

public MyAuthenticator(String userName, String password) {

this.userName = userName;

this.password = password;

}

 

protected PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(userName, password);

}

}