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在工作中很多时候需要基于代码发送邮件,最近基于JavaMail写了一个测试demo
引入依赖,
<dependencies>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.1</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.4</version>
</dependency>
</dependencies>
实例代码
package com.demo;
import com.sun.mail.util.MailSSLSocketFactory;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import java.security.GeneralSecurityException;
import java.util.Date;
import java.util.Properties;
public class EMailDemo {
private static String account = ""; //登录用户名
private static String pass = ""; //登录密码
private static String host = "smtp.exmail.qq"; //服务器地址(邮件服务器)
private static String port = "465"; //端口
private static String protocol = "smtp"; //协议
private static MimeMessage mimeMessage;
/**
* 用户名密码验证,需要实现抽象类Authenticator的抽象方法PasswordAuthentication,
* SMTP验证类(内部类),继承javax.mail.Authenticator
*/
static class MyAuthenricator extends Authenticator {
String username = null;
String password = null;
public MyAuthenricator(String username,String password){
this.username=username;
this.password=password;
}
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username,password);
}
}
/**
* 指定发送邮件
* @param subject 邮件主题
* @param sendHtml 邮件内容
* @param receiveUser 收件人
*/
public static void sendEmail(String subject,
String sendHtml, String receiveUser){
Properties prop = new Properties();
// 协议
prop.setProperty("mail.transport.protocol", protocol);
// 服务器
prop.setProperty("mail.smtp.host", host);
// 端口
prop.setProperty("mail.smtp.port", port);
// 使用smtp身份验证
prop.setProperty("mail.smtp.auth", "true");
//使用SSL,企业邮箱必需!
//开启安全协议
MailSSLSocketFactory sf = null;
try {
sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
} catch (GeneralSecurityException e1) {
e1.printStackTrace();
}
prop.put("mail.smtp.ssl.enable", "true");
prop.put("mail.smtp.ssl.socketFactory", sf);
Session session = Session.getDefaultInstance(prop, new MyAuthenricator(account, pass));
// 开启DEBUG模式,在控制台中或日志中有日志信息显示,也就是可以从控制台中看一下服务器的响应信息;
session.setDebug(true);
mimeMessage = new MimeMessage(session);
try {
//发件人
mimeMessage.setFrom(new InternetAddress(account));
//收件人
mimeMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(receiveUser));
//主题
mimeMessage.setSubject(subject);
//时间
mimeMessage.setSentDate(new Date());
//仅仅发送文本
mimeMessage.setText(sendHtml,"UTF-8");
mimeMessage.saveChanges();
Transport.send(mimeMessage);
} catch (MessagingException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
sendEmail("test", "测试", "xxx@qq");
}
}
在测试类添加收件人和发件人以及发件人密码就可以发送邮件了.
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