(PHP Extension) Create DSN (Delivery Status Notification) Email

See more Email Object Examples

Note: This example requires Chilkat v11.0.0 or greater.

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<?php

include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0

$email = new CkEmail();

$email->put_Subject('Test');
$email->put_From('joe@example.com');
$email->put_Body('This is a test');
$email->AddTo('','recipient@example.com');

print $email->getMime() . "\n";
print '' . "\n";
print '-------------------------------------------------------------' . "\n";
print '' . "\n";

// This is the email we just created:

// MIME-Version: 1.0
// Date: Mon, 12 May 2025 11:13:15 -0500
// Message-ID: <917FA49F75544EF51948B0A52F403B925B51073F@SLICE>
// Content-Type: text/plain; charset=us-ascii; format=flowed
// Content-Transfer-Encoding: 7bit
// X-Priority: 3 (Normal)
// Subject: Test
// From: joe@example.com
// To: recipient@example.com
// 
// This is a test

// -----------------------------------------------------------------
// Convert the above email into a DSN (Delivery Status Notification)

$xml = new CkXml();
$xml->put_Tag('DeliveryStatusFields');
$xml->NewChild2('Final-Recipient','rfc822; recipient@example.com');
$xml->NewChild2('Action','failed');
$xml->NewChild2('Status','5.1.2');
$xml->NewChild2('Diagnostic-Code','smtp; 550 5.1.2 Host unknown (Domain name not found)');
$dtNow = new CkDateTime();
$dtNow->SetFromCurrentSystemTime();
$xml->NewChild2('Last-Attempt-Date',$dtNow->getAsRfc822(true));

$headerOnly = true;
$sbText = new CkStringBuilder();
$sbText->Append('This is an automatically generated Delivery Status Notification.\r\n\r\n');
$sbText->Append('Delivery to the following recipient failed permanently:\r\n\r\n');
$sbText->Append('    recipient@example.com\r\n\r\n');
$sbText->Append('Technical details of permanent failure:\r\n');
$sbText->Append('DNS Error: Domain name not found\r\n');

$explain = $sbText->getAsString();

$dsnEmail = new CkEmail();
$success = $email->ToDsn($explain,$xml->getXml(),$headerOnly,$dsnEmail);
if ($success == false) {
    print $email->lastErrorText() . "\n";
    exit;
}

print $dsnEmail->getMime() . "\n";

// Here's the MIME of the DNS email we just created:
// -------------------------------------------------

// Content-Type: multipart/report; report-type="delivery-status"; boundary="------------060100020300020303000802"
// 
// --------------060100020300020303000802
// Content-Type: text/plain; charset=windows-1252; format=flowed
// Content-Transfer-Encoding: 7bit
// 
// This is an automatically generated Delivery Status Notification.
// 
// Delivery to the following recipient failed permanently:
// 
//     recipient@example.com
// 
// Technical details of permanent failure:
// DNS Error: Domain name not found
// 
// --------------060100020300020303000802
// Content-Type: message/delivery-status
// 
// Final-Recipient: rfc822; recipient@example.com
// Action: failed
// Status: 5.1.2
// Diagnostic-Code: smtp; 550 5.1.2 Host unknown (Domain name not found)
// Last-Attempt-Date: Mon, 12 May 2025 11:30:39 -0500
// 
// --------------060100020300020303000802
// Content-Type: text/rfc822-headers; charset=windows-1252
// 
// MIME-Version: 1.0
// Date: Mon, 12 May 2025 11:30:39 -0500
// Message-ID: <B8E6875D582A78AE779FC0B46ACC8C858CEAF608@SLICE>
// Content-Type: text/plain; charset=us-ascii; format=flowed
// Content-Transfer-Encoding: 7bit
// X-Priority: 3 (Normal)
// Subject: Test
// From: joe@example.com
// To: recipient@example.com
// --------------060100020300020303000802--

?>