Java

Create Non-Multipart Email with XML Body that is an Attachment

See more SMTP Examples

Creates an email where the only body is a binary WAV file. The technique used in the example could be applied to other binary files, such as PDF, MS-WORD docs, Excel docs, etc. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Email;
import com.chilkatsoft.chilkat2.MailMan;

public class ChilkatExample {

    public static void main(String[] args) {
        boolean success = false;

        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // The goal of this example is to create an email that has this MIME format,
        // where the body of the email is XML using base64 encoding,
        // and the Content-Type and Content-Disposition are set as indicated.

        // Date: Wed, 23 Aug 2023 09:01:52 +0200 (CEST)
        // From: joe@example1.com
        // Subject: [v=EMCS.NL][a=NL****][k=****][s=0]
        // To: mary@example2.com
        // MIME-Version: 1.0
        // Content-Type: application/octet-stream; charset=us-ascii; name=6bd8dfe259b3a42c90a28a82b5fc6e77.txt
        // Content-Transfer-Encoding: Base64
        // Content-Disposition: attachment; filename=6bd8dfe259b3a42c90a28a82b5fc6e77.txt
        // Message-Id: <......>
        //
        // <multi-line base64 encoded XML here>

        success = true;

        String xmlBody = "<ie:IE801 xmlns:ie=\"urn:publicid:-:EC:DGTAXUD:EMCS:PHASE4:IE801:V3.01\" xmlns:tms=\"urn:publicid:-:EC:DGTAXUD:EMCS:PHASE4:TMS:V3.01\">....</ie:IE801>";

        Email email = new Email();

        // Add subject, TO, FROM, etc.
        email.setSubject("[v=EMCS.NL][a=NL****][k=****][s=0]");
        email.setFrom("joe@example1.com");
        email.addTo("Mary", "mary@example2.com");

        email.setBody(xmlBody);

        email.addHeaderField("Content-Transfer-Encoding", "Base64");
        email.addHeaderField("Content-Type", "application/octet-stream; charset=us-ascii; name=6bd8dfe259b3a42c90a28a82b5fc6e77.txt");
        email.addHeaderField("Content-Disposition", "attachment; filename=6bd8dfe259b3a42c90a28a82b5fc6e77.txt");

        // Your email is ready to send
        MailMan mailman = new MailMan();

        mailman.setSmtpHost("smtp.my_mail_server.com");
        mailman.setSmtpUsername("myUsername");
        mailman.setSmtpPassword("myPassword");
        mailman.setSmtpPort(465);
        mailman.setSmtpSsl(true);
        mailman.setStartTLS(true);

        try {
            mailman.sendEmail(email);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        try {
            mailman.closeSmtpConnection();
        } catch (ChilkatException e) {
            System.out.println("Connection to SMTP server not closed cleanly.");
        }

        System.out.println("Mail Sent!");
    }
}