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Java

Example to Add Several BCC Email Recipients

See more Email Object Examples

Demonstrates how to call AddBCC once per email recipient.

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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) {
        Email email = new Email();

        email.setSubject("Test email subject");
        email.setBody("Test email body");

        email.setFrom("Test <joe@example.com>");

        // Add a primary TO recipient
        email.addTo("Elizabeth", "elizabeth@example.com");

        // Add a CC recipient.
        email.addCC("Jerry", "jerry@example.com");

        // Add 2 BCC recipients.
        email.addBcc("Mira", "mira@example.com");
        email.addBcc("Alexander", "alex@example.com");

        // BCC recipients will not be present in the MIME of the email that is sent.
        // However, the BCC recipients are included in the recipients provided to the SMTP server
        // during the SMTP protocol conversation. This will be shown below.

        // First, let's look at the MIME.
        System.out.println(email.getMime());

        // MIME-Version: 1.0
        // Date: Sat, 30 Oct 2021 07:58:32 -0500
        // Message-ID: <183D5F51163BE4374B494D2ED067DE2783CC761B@SLICE>
        // Content-Type: text/plain; charset=us-ascii; format=flowed
        // Content-Transfer-Encoding: 7bit
        // X-Priority: 3 (Normal)
        // Subject: Test email subject
        // From: Test <joe@example.com>
        // To: Elizabeth <elizabeth@example.com>
        // Cc: Jerry <jerry@example.com>
        //
        // Test email body

        // Notice that the BCC recipients do not appear in the MIME.  But don't worry, they are still present within the email object.
        // The difference between CC and BCC recipients is that CC recipients appear in the MIME.  Thus, the recipient of the email
        // can see the CC recipients, but cannot see and is unaware of the BCC recipients.

        // ----------------------------------------------------------------------------------------------
        // Let's send the above email and examine the SMTP session log to show that the BCC recipients also receive the email.

        MailMan mailman = new MailMan();

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

        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!");

        // Examine the SMTP session log.
        System.out.println(mailman.getSmtpSessionLog());

        // Here you can see the session log and the BCC email addresses included in the "RCPT TO" commands.

        // 220 smtp.example.com ESMTP Example SMTP Service
        // EHLO SLICE<CRLF>
        // 250-smtp.example.com
        // 250-8BITMIME
        // 250-AUTH PLAIN LOGIN
        // 250 Ok
        // AUTH LOGIN<CRLF>
        // 334 VXNlcm5hbWU6
        // ***<CRLF>
        // 334 UGFzc3dvcmQ6
        // {PasswordOrCredentials}
        // 235 Authentication successful.
        // MAIL FROM:<joe@example.com><CRLF>
        // 250 Ok
        // RCPT TO:<elizabeth@example.com><CRLF>
        // 250 Ok
        // RCPT TO:<jerry@example.com><CRLF>
        // 250 Ok
        // RCPT TO:<mira@example.com><CRLF>
        // 250 Ok
        // RCPT TO:<alex@example.com><CRLF>
        // 250 Ok
        // DATA<CRLF>
        // 354 End data with <CR><LF>.<CR><LF>
        // {388 bytes}
        // <CRLF>.<CRLF>
        // 250 Ok
        // QUIT<CRLF>
        // 221 Bye
    }
}