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Editorial Team
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Asked: 2026-05-19T04:58:39+00:00

How do you create email message that contains text and HTML version for the

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How do you create email message that contains text and HTML version for the same content?

Of course I would like to know how to setup the freemarker template or the header of the message that will be send.

When I look on the source of message multi-part message in MIME format that I receive in inbox every once in while this is what is in there:

This is a multi-part message in MIME format.

------=_NextPart_000_B10D_01CBAAA8.F29DB300
Content-Type: text/plain
Content-Transfer-Encoding: 7bit

...Text here...

------=_NextPart_000_B10D_01CBAAA8.F29DB300
Content-Type: text/html;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<html><body> html code here ... </body></html>
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1 Answer

  1. Editorial Team

    If you spot any inconsistencies please let me know. I had to extract this from pretty complex object so that’s why this looks like it does.

    //some important imports
import freemarker.template.Template;
import org.springframework.mail.javamail.*;
import org.springframework.context.*;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
import javax.mail.internet.MimeMessage;

private JavaMailSender mailSender;
private MessageSource messageSource;
private ExecutorService executor = Executors.newFixedThreadPool(50);

MimeMessagePreparator preparator = new MimeMessagePreparator() {
    public void prepare(MimeMessage mimeMessage) throws Exception {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage);

            message.setFrom(from);
            message.setTo(recipient);
            message.setSubject(subject);

            // Now the message body.
            Multipart mp = new MimeMultipart();

            BodyPart textPart = new MimeBodyPart();
            Template textTemplate = freemarkerConfig.getConfiguration().getTemplate(textEmailTemplate); // "/WEB-INF/emailText/*.ftl"
            final StringWriter textWriter = new StringWriter();
            textEmailTemplate.process(modelMap, textWriter);
            textPart.setText(textWriter.toString()); // sets type to "text/plain"


            BodyPart pixPart = new MimeBodyPart();
            Template pixTemplate = freemarkerConfig.getConfiguration().getTemplate(pixEmailTemplate); // "/WEB-INF/emailPix/*.ftl"
            final StringWriter pixWriter = new StringWriter();
            textEmailTemplate.process(modelMap, pixWriter);
            pixPart.setContent(pixWriter.toString(), "text/html");

            // Collect the Parts into the MultiPart
            mp.addBodyPart(textPart);
            mp.addBodyPart(pixPart);
            // Put the MultiPart into the Message
             message.setContent(mp);                  

     }
};

executor.submit(new SendMail(preparator));

class SendMail extends Thread {
    MimeMessagePreparator preparator;

    SendMail(MimeMessagePreparator preparator) {
        this.preparator = preparator;
    }

    public void run() {
        mailSender.send(preparator);
      }
}
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