TestMailTo

import java.awt.Desktop;
import java.net.URI;
import java.net.URLEncoder;

public class TestMailto {
    public static void main(String[] args) throws Exception {
        String recipient = "ox@getlantern.org";
        String subject = URLEncoder
                .encode("Join the Lantern Network to Circumvent Censorship");
        String body = URLEncoder
                .encode("You can download lantern from http://getlantern.org (should replace this with custom installer URL).");
        Desktop.getDesktop().mail(
                new URI(String.format("mailto:%1$s?subject=%2$s&body=%3$s",
                        recipient, subject,
                        body)));
    }
}