我正在学习如何使用 javamail API 发送电子邮件，我已经创建了使用 SMTP 服务器发送简单电子邮件所需的属性和说明，并且我正在使用以下代码：
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");
Session session= Session.getDefaultInstance(props, new javax.mail.Authenticator() {
protected PasswordAuthentication getpPasswordAuthentication(){
return new PasswordAuthentication("[email protected]", "password");
}
});
try{
Message message=new MimeMessage(session);
message.setFrom(new InternetAddress("myemail"));
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse("recepientemailadresse"));
message.setSubject("the java mail test");
message.setText("Guess what brother the java mail is working correctly");
Transport.send(message);
JOptionPane.showMessageDialog(rootPane, "message sent");
}
catch(Exception e){
JOptionPane.showMessageDialog(rootPane, e);
e.printStackTrace();
}
我在运行时发生异常，提到：
javax.mail.AuthenticationFailedException: failed to connect, no password specified?
at javax.mail.Service.connect(Service.java:329)
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 transfer.Maitest.jButton1ActionPerformed(Maitest.java:96)
at transfer.Maitest.access$000(Maitest.java:20)
at transfer.Maitest$1.actionPerformed(Maitest.java:45)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6505)
你能告诉我我错过了什么吗？
首先，阅读本文JavaMail 常见错误常见问题解答条目。改正后，请阅读此内容JavaMail 常见问题解答条目告诉您如何连接到 Gmail。如果还是不行的话，这个关于调试的 JavaMail FAQ 条目会有帮助的。
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