QQ给其他邮箱发邮件；
既可以发送不带附件的，也可以发送带附件的，也可以同时给多个人发送
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
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.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import com.sun.mail.util.MailSSLSocketFactory;
/**
* TODO
*
* @author ZhangPeng
* @date 2021年5月19日 下午2:29:47
*/
public class TestMail {
private static final String ACCEPT_CODE = "cummlmoizgiicfef";
public static void main(String[] args) throws Exception {
Properties prop = new Properties();
prop.setProperty("mail.host", "smtp.qq.com");//设置QQ邮件服务器
prop.setProperty("mail.transport.protocol", "smtp");//邮件发送协议
prop.setProperty("mail.smtp.auth", "true");//需要验证用户名和密码
//关于QQ邮箱，还要设置SSL加密，加上以下代码即可
MailSSLSocketFactory sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
prop.put("mail.smtp.ssl.enable", "true");
prop.put("mail.smtp.ssl.socketFactory", sf);
//QQ邮箱才有，其他邮箱不用
Session session = Session.getDefaultInstance(prop, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
// TODO 发件人邮件用户名、授权码，授权码需要到QQ邮箱设置账户里生成
return new PasswordAuthentication("1648873838@qq.com", ACCEPT_CODE);
}
});
session.setDebug(true);//不想要发送日志，可以注释掉
Transport ts = session.getTransport();
ts.connect("smtp.qq.com", "1648873838@qq.com", ACCEPT_CODE);
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress("1648873838@qq.com"));//发件人
//收件人，现在是给自己发
// message.setRecipient(Message.RecipientType.TO, new InternetAddress("1648873838@qq.com"));
message.setRecipient(Message.RecipientType.TO, new InternetAddress("wa_wj999@163.com"));
//也可以设置多个收件人
// message.setRecipients(Message.RecipientType.TO, new InternetAddress[]{new InternetAddress("1648873838@qq.com"),new InternetAddress("24736743@qq.com")});
message.setSubject("欢迎来到德莱联盟");
// message.setContent("<h1 style='color:blue;'>hello，你好啊……</h1>","text/html;charset=utf-8");
//=========================
MimeBodyPart image = new MimeBodyPart();
DataHandler handler = new DataHandler(new FileDataSource("src/1.jpg"));
image.setDataHandler(handler);
image.setContentID("1.jpg");
MimeBodyPart text = new MimeBodyPart();
text.setContent("这是一封邮件正文带图片<img src='cid:1.jpg'/>的邮件","text/html;charset=utf-8");
MimeBodyPart fujian1 = new MimeBodyPart();
DataHandler handler1 = new DataHandler(new FileDataSource("src/baoming.txt"));
fujian1.setDataHandler(handler1);
fujian1.setFileName("baoming.txt");
MimeBodyPart fujian2 = new MimeBodyPart();
DataHandler handler2 = new DataHandler(new FileDataSource("src/empty.txt"));
fujian2.setDataHandler(handler2);
fujian2.setFileName("empty.txt");
MimeMultipart mm = new MimeMultipart();
mm.addBodyPart(text);
mm.addBodyPart(image);
mm.setSubType("related");
MimeBodyPart contentText = new MimeBodyPart();
contentText.setContent(mm);
MimeMultipart allFile = new MimeMultipart();
allFile.addBodyPart(fujian1);
allFile.addBodyPart(fujian2);
allFile.addBodyPart(contentText);
allFile.setSubType("mixed");
message.setContent(allFile);
message.saveChanges();
//=========================
Transport.send(message, message.getAllRecipients());
ts.close();
}
}
项目结构：
