1 jar包
email.jar包，网上下载
2 源代码
package zjr.amy.emil.test;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.MimeMessage;
/**
* 发邮件测试
* @author zhujinrong
*
*/
public class MailTest {
static Authenticator auth = new Authenticator(){
@Override
protected PasswordAuthentication getPasswordAuthentication() {
// TODO Auto-generated method stub
return new PasswordAuthentication("[email protected]", "密码");
}
};
/**
* 主函数
* @param args
*/
public static void main(String[] args) throws MessagingException {
// TODO Auto-generated method stub
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.qq.com");
props.put("mail.smtp.auth", "true");
props.put("mail.from", "[email protected]");
Session session = Session.getInstance(props, auth);
MimeMessage msg = new MimeMessage(session);
msg.setFrom();
msg.setRecipients(Message.RecipientType.TO, "[email protected]");
msg.setSubject("JavaMail hello world example");
msg.setSentDate(new Date());
msg.setText("<html><body><span style=‘color:red;‘>Hello world!</span></body></html>", "utf-8", "html");
Transport.send(msg);
}
}
3 运行结果
4 遇到的错误
Exception in thread "main" javax.mail.AuthenticationFailedException: 454 Authentication failed, please open smtp flag first!
at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:826)
at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:761)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:685)
at javax.mail.Service.connect(Service.java:317)
at javax.mail.Service.connect(Service.java:176)
at javax.mail.Service.connect(Service.java:125)
at javax.mail.Transport.send0(Transport.java:194)
at javax.mail.Transport.send(Transport.java:124)
at zjr.amy.emil.test.MailTest.main(MailTest.java:46)
原因：没有qq邮箱没有开启smtp服务
解决方法：在QQ邮箱的设置里面，找到账户-》POP3/IMAP/SMTP选择开启POP3/SMTP服务
5 git地址
git地址：https://github.com/HelloAmy/JavaStudy.git
时间： 2024-08-28 13:33:55