javax.mail.MessagingException: Could not connect to SMTP host?

Question

following is my code to send mail:

import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.Message.Recipie         


        

Answer 1

What causes your problem is right there in the stack trace:

java.net.ConnectException: Connection refused: connect

do you need a password to connect to the SMTP server? Are you sure you are using the right settings (as in port number)? Are you behind a proxy or a firewall? Can you use those settings in a regular mail program (e.g. Thunderbird) and send mails?