(PHP ActiveX) 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.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

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

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.MailMan')
$mailman = new COM("Chilkat.MailMan");

$mailman->SmtpHost = 'smtp.my_mail_server.com';
$mailman->SmtpUsername = 'myUsername';
$mailman->SmtpPassword = 'myPassword';
$mailman->SmtpPort = 465;
$mailman->SmtpSsl = 1;

// Create a new email object
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Email')
$email = new COM("Chilkat.Email");

$email->Subject = 'This is a test';
$email->Body = 'This is a test';
$email->From = 'Joe <joe@example.com>';
$success = $email->AddTo('Mary','mary@example2.com');

// Specify a single reply-to address, which will get replace with a list of addresses..
$email->ReplyTo = 'placeholder@example.com';

// Get the email as MIME.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sbMime = new COM("Chilkat.StringBuilder");
$mailman->RenderToMimeSb($email,$sbMime);

// Update the Reply-To MIME header with a list of email addresses.
$replyToAddrs = 'joe@example.com, mike@example.com';
$sbMime->ReplaceAllBetween('Reply-To: ','\r\n',$replyToAddrs,0);

// Examine the MIME to be sent:
print $sbMime->getAsString() . "\n";

// 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 = $mailman->SendMime('joe@example.com','mary@example2.com',$sbMime->getAsString());
if ($success == 0) {
    print $mailman->LastErrorText . "\n";
    exit;
}

$success = $mailman->CloseSmtpConnection();
if ($success == 0) {
    print 'Connection to SMTP server not closed cleanly.' . "\n";
}

print 'Mail Sent!' . "\n";

?>