使用Javamail API的SMTP连接失败? [英] smtp connection is failing using javamail api?
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问题描述
每当我尝试连接到smtp主机时,它显示连接失败并在本地交换服务器上的端口25上响应-1,但是我能够连接到gmail smtp主机以从gmail发送电子邮件,我正在使用以下代码.
whenever i am trying to connect to smtp host it shows connection failed with response -1 on port 25 on my local exchange server, but i am able to connect to gmail smtp host to send emails from gmail i am using below code.
Properties props = System.getProperties();
props.put("mail.smtp.host", "localexchange.server.address");
props.put("mail.from", "emailid");
Session session = Session.getInstance(props, null);
try {
MimeMessage msg = new MimeMessage(session);
msg.setFrom();
msg.setRecipients(Message.RecipientType.TO,
"emailid");
msg.setSubject("JavaMail hello world example");
msg.setSentDate(new Date());
msg.setText("Hello, world!\n");
Transport.send(msg);
} catch (MessagingException mex) {
System.out.println("send failed, exception: " + mex);
}
推荐答案
JavaMail FAQ 具有有关调试连接问题的提示一个>.你尝试过吗?
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