Create .eml files with javax.mail

Pat.java

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import java.awt.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * Creates .eml files
 */
public class Pat {
    public static void main(String[] args) throws MessagingException, IOException {
        Message msg = createMessage("[email protected]", "[email protected]", "This is Seriöus Business! \uD83D\uDE10", "I ❤ \uD83C\uDF55");

        File outputFile = new File("draft.eml");
        try (FileOutputStream out = new FileOutputStream(outputFile)) {
            msg.writeTo(out);
        }
        Desktop.getDesktop().open(outputFile);
    }

    public static Message createMessage(String from, String to, String subject, String content) throws MessagingException {
        Message msg = new MimeMessage((Session)null);
        msg.setFrom(new InternetAddress(from));
        msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
        msg.setSubject(subject);
        MimeBodyPart body = new MimeBodyPart();
        body.setText(content);
        msg.setContent(new MimeMultipart(body));
        return msg;
    }
}