Unknown SMTP host: smtp.gmail.com;

[sharmarock0110]

I am trying to send email using my gmail id in my corporate/office network using  javamail API but getting below mentioned error:

Please help

javax.mail.MessagingException: Unknown SMTP host: smtp.gmail.com;

  nested exception is:

java.net.UnknownHostException: smtp.gmail.com

at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1959)

at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:654)

at javax.mail.Service.connect(Service.java:317)

at javax.mail.Service.connect(Service.java:176)

at javax.mail.Service.connect(Service.java:125)

at testinglatest.MonitoringMail.sendMail(MonitoringMail.java:51)

at testinglatest.TestMail.main(TestMail.java:14)

[Deepak Thayat]

Change the port number  to 465 if you passing value true to ssl certs in your code else try 25 with false.

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[sharmarock0110]

i am using below mentioned code :

public void sendMail(String mailServer, String from, String[] to, String subject, String messageBody, String attachmentPath, String attachmentName) throws MessagingException, AddressException

{

boolean debug = false;

Properties props = new Properties();

props.put("mail.smtp.starttls.enable", "true");

props.put("mail.smtp.EnableSSL.enable","true");

props.put("mail.smtp.auth", "true");

props.put("mail.smtp.host", mailServer); 

props.put("mail.debug", "true");

     props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");   

     props.setProperty("mail.smtp.socketFactory.fallback", "false");   

     props.setProperty("mail.smtp.port", "465");   

     props.setProperty("mail.smtp.socketFactory.port", "465"); 

  Authenticator auth = new SMTPAuthenticator();

    Session session = Session.getDefaultInstance(props, auth);

    session.setDebug(debug);

tried with 25 as well it didn't worked.

[selenium trainer]

Your office firewall is actually blocking it, try the same code through your mobile network or home network and let me know if it works

[sharmarock0110]

Thanks, it started working after i changed the Internet network and used my personal one.