MailTest.java

package mail;

import java.io.IOException;
import java.io.UnsupportedEncodingException;

import javax.mail.MessagingException;

public class MailTest {
    private static final String MAIL_TEMPLATE = "mail.template";
    public static void main(String[] args) {
        System.out.println("Preparing sending mail...");
        MailSender ms = new MailSender();
        ms.setFromAddress("XXXXXXXXX@gmail.com");
        ms.addToAddress("XXXXXXXXX@gmail.com");
        ms.setAccount("XXXXXXXXX");  // before @
        ms.setPassword("PPPPPPPPP");   // GoogleAccount's Password
        ms.setSubject("Java mail test");
        try {
            ms.setMailContentFromTemplate(MAIL_TEMPLATE);
        } catch (IOException e) {
            e.printStackTrace();
        }
        ms.replaceMailContent("\\{toname\\}", "佐藤");
        System.out.println("Trying to connect SMTP Server...");
        try {
            ms.send();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (MessagingException e) {
            e.printStackTrace();
        }
        System.out.println("Sent mail.");
    }
}