(C) Send Email with Multiple Reply-To Addresses

Send email with multiple repy-to addresses.

Note: Some mail servers will remove the extra email addresses from the Reply-To header. Even if you provide multiple reply-to addresses, the email may arrive with only the 1st.

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#include <C_CkMailMan.h>
#include <C_CkEmail.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkMailMan mailman;
    HCkEmail email;
    BOOL success;
    HCkStringBuilder sbMime;
    const char *replyToAddrs;

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

    mailman = CkMailMan_Create();

    CkMailMan_putSmtpHost(mailman,"smtp.my_mail_server.com");
    CkMailMan_putSmtpUsername(mailman,"myUsername");
    CkMailMan_putSmtpPassword(mailman,"myPassword");
    CkMailMan_putSmtpPort(mailman,465);
    CkMailMan_putSmtpSsl(mailman,TRUE);

    // Create a new email object
    email = CkEmail_Create();

    CkEmail_putSubject(email,"This is a test");
    CkEmail_putBody(email,"This is a test");
    CkEmail_putFrom(email,"Joe <joe@example.com>");
    success = CkEmail_AddTo(email,"Mary","mary@example2.com");

    // Specify a single reply-to address, which will get replace with a list of addresses..
    CkEmail_putReplyTo(email,"placeholder@example.com");

    // Get the email as MIME.
    sbMime = CkStringBuilder_Create();
    CkMailMan_RenderToMimeSb(mailman,email,sbMime);

    // Update the Reply-To MIME header with a list of email addresses.
    replyToAddrs = "joe@example.com, mike@example.com";
    CkStringBuilder_ReplaceAllBetween(sbMime,"Reply-To: ","\r\n",replyToAddrs,FALSE);

    // Examine the MIME to be sent:
    printf("%s\n",CkStringBuilder_getAsString(sbMime));

    // Here's the MIME:

    // MIME-Version: 1.0
    // Date: Tue, 03 Sep 2024 08:18:12 -0500
    // Message-ID: <D892B0E563A7A13B1F499530DE21529714EA479A@SLICE>
    // Content-Type: text/plain; charset=us-ascii; format=flowed
    // Content-Transfer-Encoding: 7bit
    // X-Priority: 3 (Normal)
    // Subject: This is a test
    // From: Joe <joe@example.com>
    // To: Mary <mary@example2.com>
    // Reply-To: joe@example.com, mike@example.com
    // 
    // This is a test

    // ---------
    // Send the MIME...
    success = CkMailMan_SendMime(mailman,"joe@example.com","mary@example2.com",CkStringBuilder_getAsString(sbMime));
    if (success == FALSE) {
        printf("%s\n",CkMailMan_lastErrorText(mailman));
        CkMailMan_Dispose(mailman);
        CkEmail_Dispose(email);
        CkStringBuilder_Dispose(sbMime);
        return;
    }

    success = CkMailMan_CloseSmtpConnection(mailman);
    if (success == FALSE) {
        printf("Connection to SMTP server not closed cleanly.\n");
    }

    printf("Mail Sent!\n");


    CkMailMan_Dispose(mailman);
    CkEmail_Dispose(email);
    CkStringBuilder_Dispose(sbMime);

    }