SMTP客户端Java程序

Question

我是Java Mail的新手.我首先想要执行程序(我通过我的老年人),看看是否一切正常.因此,当我编译该代码时,我发现错误,找不到所有Java邮件的类和包.
任何人都可以列出我的程序编译和执行所需的东西没有任何问题.我下载了"JAva Mail 1.4.5",但是没有安装文件？
我有JAva 1.6和Windows XP
请帮助........
错误:
C:>javac SMTPClient.java SMTPClient.java:2: package javax.mail does not exist import javax.mail.; ^ SMTPClient.java:3: package javax.mail.internet does not exist import javax.mail.internet.; ^ SMTPClient.java:18: cannot find symbol symbol : class Session location: class SMTPClient Session session = Session.getDefaultInstance(properties); ^ SMTPClient.java:18: cannot find symbol symbol : variable Session location: class SMTPClient Session session = Session.getDefaultInstance(properties); ^ SMTPClient.java:21: cannot find symbol symbol : class MimeMessage location: class SMTPClient MimeMessage message = new MimeMessage(session); ^ SMTPClient.java:21: cannot find symbol symbol : class MimeMessage location: class SMTPClient MimeMessage message = new MimeMessage(session); ^ SMTPClient.java:25: cannot find symbol symbol : class InternetAddress location: class SMTPClient message.setFrom(new InternetAddress(from)); ^ SMTPClient.java:28: package Message does not exist message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

                                ^

SMTPClient.java:28: cannot find symbol symbol : class InternetAddress location: class SMTPClient message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

                                                       ^

SMTPClient.java:40: cannot find symbol symbol : class Transport location: class SMTPClient Transport t = session.getTransport("smtps"); ^ 10 errors

C:>

C:>javac SMTPClient.java SMTPClient.java:2: package javax.mail does not exist import javax.mail.; ^ SMTPClient.java:3: package javax.mail.internet does not exist import javax.mail.internet.; ^ SMTPClient.java:18: cannot find symbol symbol : class Session location: class SMTPClient Session session = Session.getDefaultInstance(properties); ^ SMTPClient.java:18: cannot find symbol symbol : variable Session location: class SMTPClient Session session = Session.getDefaultInstance(properties); ^ SMTPClient.java:21: cannot find symbol symbol : class MimeMessage location: class SMTPClient MimeMessage message = new MimeMessage(session); ^ SMTPClient.java:21: cannot find symbol symbol : class MimeMessage location: class SMTPClient MimeMessage message = new MimeMessage(session); ^ SMTPClient.java:25: cannot find symbol symbol : class InternetAddress location: class SMTPClient message.setFrom(new InternetAddress(from)); ^ SMTPClient.java:28: package Message does not exist message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

                                ^

SMTPClient.java:28: cannot find symbol symbol : class InternetAddress location: class SMTPClient message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

                                                       ^

SMTPClient.java:40: cannot find symbol symbol : class Transport location: class SMTPClient Transport t = session.getTransport("smtps"); ^ 10 errors

C:>

Answer 1

下载java mail.jar和security.jar

1.将以下代码复制到记事本并保存为EmailAgent.java(相应地更改电子邮件地址和密码)

 import java.security.Security;
 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 EmailAgent {


private static final String SMTP_HOST_NAME = "smtp.gmail.com";
private static final String SMTP_PORT = "465";
private static final String emailMsgTxt = "Test Message Contents";
private static final String emailSubjectTxt = "A test from gmail";
private static final String emailFromAddress = "abcd@gmail.com";
private static final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
private static final String[] sendTo = { "xyz@gmail.com" };

public static void main(String args[]) throws Exception {

    Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

    new EmailAgent().sendSSLMessage(sendTo, emailSubjectTxt, emailMsgTxt,
            emailFromAddress);
    System.out.println("Sucessfully Sent mail to All Users");
}

public void sendSSLMessage(String recipients[], String subject,
        String message, String from) throws MessagingException {
    boolean debug = true;

    Properties props = new Properties();
    props.put("mail.smtp.host", SMTP_HOST_NAME);
    props.put("mail.smtp.auth", "true");
    props.put("mail.debug", "true");
    props.put("mail.smtp.port", SMTP_PORT);
    props.put("mail.smtp.socketFactory.port", SMTP_PORT);
    props.put("mail.smtp.socketFactory.class", SSL_FACTORY);
    props.put("mail.smtp.socketFactory.fallback", "false");

    Session session = Session.getDefaultInstance(props,
            new javax.mail.Authenticator() 
             {
                 protected PasswordAuthentication                   

              getPasswordAuthentication() {
                    return new   
                 PasswordAuthentication("abcd@gmail.com", "password");
                }
            });

    session.setDebug(debug);

    Message msg = new MimeMessage(session);
    InternetAddress addressFrom = new InternetAddress(from);
    msg.setFrom(addressFrom);

    InternetAddress[] addressTo = new InternetAddress[recipients.length];
    for (int i = 0; i < recipients.length; i++) {
        addressTo[i] = new InternetAddress(recipients[i]);
    }
    msg.setRecipients(Message.RecipientType.TO, addressTo);

    // Setting the Subject and Content Type
    msg.setSubject(subject);
    msg.setContent(message, "text/plain");
    Transport.send(msg);
   }
  }

1. 转到运行,键入cmd并按Enter键

2. 导航到保存EmailAgent.java文件的路径.

3. 将mail.jar和security.jar复制到保存EmailAgent.java的同一目录中

4. 编译java文件

   javac -cp .; mail.jar; security.jar EmailAgent.java

5. 运行编译的java类

   java -cp .; mail.jar; security.jar EmailAgent

并检查您的sendTo电子邮件地址收件箱..宾果:)