Java

Add Header Field to MIME Sub-Header in Email

See more Email Object Examples

Demonstrates how to add a header field to one of the attachment sub-headers in an email. Chilkat2 Java

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

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Email email = new Email();

        email.setSubject("test");
        email.addTo("Chilkat", "support@chilkatsoft.com");
        email.setFrom("Matt <matt@example.com>");
        email.setBody("This is a simple plain-text body.");

        try {
            email.addFileAttachment2("qa_data/1.HPM", "application/x-hprimnet");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Add a "ContentDescription: HPM/3.0" in the attachment's sub-header.
        // The 1st attachment is at index 0.
        email.addAttachmentHeader(0, "Content-Description", "HPM/3.0");

        // Show the email MIME:
        System.out.println(email.getMime());

        // This is the output:

        // MIME-Version: 1.0
        // Date: Wed, 16 Jan 2019 10:05:18 -0600
        // Message-ID: <93B88835586270B7BE5202F84E171F29C10BA935@CHILKATSLICE>
        // Content-Type: multipart/mixed; boundary="------------000502000000020502010608"
        // X-Priority: 3 (Normal)
        // Subject: test
        // To: Chilkat <support@chilkatsoft.com>
        // From: Matt <matt@example.com>
        //
        // --------------000502000000020502010608
        // Content-Type: text/plain; charset=us-ascii; format=flowed
        // Content-Transfer-Encoding: 7bit
        //
        // This is a simple plain-text body.
        // --------------000502000000020502010608
        // Content-Type: application/x-hprimnet; name="1.HPM"
        // Content-Transfer-Encoding: base64
        // Content-Disposition: attachment; filename="1.HPM"
        // Content-Description: HPM/3.0
        //
        // FILE_DATA_IS_HERE...
        //
        // --------------000502000000020502010608--
    }
}