1

我正在尝试发送电子邮件，但出现以下错误：

javax.mail.SendFailedException: Sending failed;
nested exception is: 
javax.mail.MessagingException: Could not connect to SMTP host: 10.17.1.65, port: 25
4

2 回答 2

0

在这里，我分享了一个使用带有多个附件的 Gmail SSL 发送邮件的类。只需使用实际的 gmail 凭据更改 gmailUsername 和 gmailPass。并使用您想要的地址更改往返地址。在这里，我们使用 Gmail SSL smtp 端口发送邮件。您可以使用自己的邮件服务器详细信息对其进行更改。

import java.util.*;

import javax.mail.*;

import javax.mail.internet.*;

import javax.activation.*;

/**

Author Mridul Chatterjee

 */

import java.util.Properties;

import javax.mail.Message;

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;



public class SendMail {

public static void main(String[] args) {

Properties props = new Properties();

props.put(”mail.smtp.host”, “smtp.gmail.com”);

props.put(”mail.smtp.socketFactory.port”, “465″);

props.put(”mail.smtp.socketFactory.class”,

“javax.net.ssl.SSLSocketFactory”);

props.put(”mail.smtp.auth”, “true”);

props.put(”mail.smtp.port”, “465″);

ArrayList fileNames = new ArrayList();

fileNames.add(”C:/Write.txt”);

fileNames.add(”C:/Write1.txt”);

fileNames.add(”C:/Write2.txt”);

fileNames.add(”C:/Write3.txt”);

fileNames.add(”C:/25148.jpg”);



Session session = Session.getDefaultInstance(props,

new javax.mail.Authenticator() {

protected PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(”gmailUsername”,”gmailPass”);

}

});



try {



Message message = new MimeMessage(session);

message.setFrom(new InternetAddress(”from@no-spam.com”));

message.setRecipients(Message.RecipientType.TO,

InternetAddress.parse(”tomail@mail.com”));

message.setSubject(”Testing Subject”);

message.setText(”Dear Mail Crawler,” +

“nn No spam to my email, please!”);

     //  multipart.addBodyPart(messageBodyPart);



     //  DataSource source = new FileDataSource(filename);

    //   messageBodyPart.setDataHandler(new DataHandler(source));

    //   messageBodyPart.setFileName(filename);

       System.out.println(fileNames.size());

       Multipart multipart = new MimeMultipart();

       BodyPart messageBodyPart = new MimeBodyPart();

       for(int i=0;i            {

                System.out.println(fileNames.get(i));





                messageBodyPart = new MimeBodyPart();

                DataSource source = new FileDataSource((String)fileNames.get(i));

                messageBodyPart.setDataHandler(new DataHandler(source));

                messageBodyPart.setFileName((String)fileNames.get(i));

                multipart.addBodyPart(messageBodyPart);

                //message.setContent(multipart);

            }



       //multipart.addBodyPart(messageBodyPart);

       message.setContent(multipart);



Transport.send(message);



System.out.println(”Mail Sent Successfully….”);



} catch (MessagingException e) {

throw new RuntimeException(e);

}

}

}
于 2012-11-15T20:36:00.920 回答
0

首先测试 netstat 命令是否主机响应。如果是，那么您需要检查主机上的电子邮件服务器/中继。您可以通过此链接http://www.mailradar.com/openrelay/对其进行测试

于 2012-11-13T09:55:30.190 回答