通过java发送电子邮件时无法连接到SMTP主机:10.0.1.9,端口:80,响应:1
我试图通过java代码发送电子邮件。。但例外情况增加了。。我不知道我哪里出了问题。。通过我的公司网络发送
public class SendingMail{
public static void main(String[] args) {
final String username = "xyz@company.com";
final String password = "********";
Properties props = new Properties();
props.put("mail.smtp.user", "xyz@company.com");
props.put("mail.smtp.password", "********");
props.put("mail.smtp.protocol", "smtp");
props.put("mail.smtp.host", "10.0.1.9");
props.put("mail.smtp.port", "80");
props.put("mail.smtp.starttls.enable","false");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.socketFactory.port", "80");
props.put("mail.smtp.socketFactory.class", "");
props.put("mail.smtp.socketFactory.fallback", "false");
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
try {
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress("dpaleti@avineonindia.com"));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse("abc@company.com"));
message.setSubject("Testing Subject");
message.setText("Dear Mail Crawler,"
+ "\n\n No spam to my email, please!");
Transport.send(message);
System.out.println("Done");
} catch (MessagingException mex) {
mex.printStackTrace();
}
}
}
异常堆栈跟踪是:
javax.mail.MessagingException: Could not connect to SMTP host: 10.0.1.9, port: 80, response: -1
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1270)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:370)
at javax.mail.Service.connect(Service.java:275)
at javax.mail.Service.connect(Service.java:156)
at javax.mail.Service.connect(Service.java:105)
at javax.mail.Transport.send0(Transport.java:168)
at javax.mail.Transport.send(Transport.java:98)
at com.ex.mails.SendingMail.main(SendingMail.java:48)
如果telnet连接到我的服务器,我会登录telnet。。它连接到10.0.1.9,我也能ping到10.0.1.9
将端口号更改为25。现在我得到以下错误
javax.mail.MessagingException: Could not connect to SMTP host: 10.0.1.9, port: 25;
nested exception is:
java.net.SocketException: Network is unreachable: connect
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1282)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:370)
at javax.mail.Service.connect(Service.java:275)
at javax.mail.Service.connect(Service.java:156)
at javax.mail.Service.connect(Service.java:105)
at javax.mail.Transport.send0(Transport.java:168)
at javax.mail.Transport.send(Transport.java:98)
at com.ex.mails.SendingMail.main(SendingMail.java:48)
Caused by: java.net.SocketException: Network is unreachable: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:69)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:232)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:189)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1250)
... 7 more
# 1 楼答案
这里有几点可能对你有帮助
587
用于StartTLSprops.put("mail.smtp.starttls.enable", "true");
或在启用ssl的情况下使用465
下面是一个可能对你有帮助的例子http://www.mkyong.com/java/javamail-api-sending-email-via-gmail-smtp-example/