javamail发邮件

末蓝、 2021-07-21 02:44 468阅读 0赞

以下代码来源互联网

import java.util.\*;  
import javax.mail.\*;  
import javax.mail.internet.\*;

/\*\* 
 \* Title: java mail 
 \* Description: 
 \* Copyright: Copyright (c) 2004 
 \* Company: 
 \* @author petehero 
 \* @version 1.0 
 \*/

public class SendMail  
\{

public SendMail()  
    \{  
    \}  
    public void send()\{  
        try  
        \{  
            Properties props = new Properties();  
            Session sendMailSession;  
            Store store;  
            Transport transport;  
            props.put("mail.smtp.auth","true");  
            props.put("mail.smtp.host", "smtp.yourmail.com"); //smtp主机名。  
            props.put("mail.smtp.user","username@yourmail.com"); //发送方邮件地址。  
            props.put("mail.smtp.password","888888"); //邮件密码。  
            PopupAuthenticator popA=new PopupAuthenticator();//邮件安全认证。  
            PasswordAuthentication pop = popA.performCheck("username","888888"); //填写用户名及密码  
            sendMailSession = Session.getInstance(props, popA);  
            Message newMessage = new MimeMessage(sendMailSession);  
            newMessage.setFrom(new InternetAddress("username@yourmail.com"));  
            newMessage.setRecipient(Message.RecipientType.TO, new InternetAddress("receiver@mail.com"));  //接收方邮件地址  
            newMessage.setSubject("邮件主题");  
            newMessage.setSentDate(new Date());  
            String mailContent;  
            mailContent="你好！/n/n";  
            mailContent+="/t邮件正文/n/n";  
            mailContent+=new Date().toLocaleString();  
            newMessage.setText(mailContent); //邮件正文  
            transport = sendMailSession.getTransport("smtp");  
            transport.send(newMessage);  
        \}  
        catch (MessagingException ex)  
        \{  
            ex.printStackTrace();  
        \}  
    \}  
    public static void main(String\[\] args)  
    \{  
        SendMail sml = new SendMail();  
        sml.send();  
    \}

public class PopupAuthenticator extends Authenticator{
      
            String username=null;
            String password=null;
            public PopupAuthenticator(){}
            public PasswordAuthentication performCheck(String user,String pass){
      
                username = user;
                password = pass;
                return getPasswordAuthentication();
            }
            protected PasswordAuthentication getPasswordAuthentication() {
      
                return new PasswordAuthentication(username, password);
            }

\}  
\}

其中曾经报错:

javax.mail.MessagingException: Could not connect to SMTP host: smtp.sina.com.cn, port: 25;  
  nested exception is:  
 java.net.SocketException: Software caused connection abort: connect  
 at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1213)  
 at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:311)  
 at javax.mail.Service.connect(Service.java:255)  
 at javax.mail.Service.connect(Service.java:134)  
 at javax.mail.Service.connect(Service.java:86)  
 at com.sun.mail.smtp.SMTPTransport.connect(SMTPTransport.java:144)  
 at javax.mail.Transport.send0(Transport.java:150)  
 at javax.mail.Transport.send(Transport.java:80)  
 at com.zq.email.Javamail.send(Javamail.java:45)  
 at com.zq.email.Javamail.main(Javamail.java:55)

后来发现原来是virusscan组织了25端口。