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PHP ActiveX

Sending S/MIME Encrypted Email

Sends an encrypted email using the recipient's digital certificate from a .cer file.

Chilkat PHP ActiveX Downloads

PHP ActiveX
<?php

$success = 0;

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

// The mailman object is used for sending and receiving email.
$mailman = new COM("Chilkat.MailMan");

// Set the SMTP server.
$mailman->SmtpHost = 'smtp.comcast.net';

// Load the .cer file into a certificate object.
// When sending S/MIME encrypted email, it is the recipient's
// certificate that is used for encryption.  Only the public key
// is needed to encrypt.  The recipient is the only
// one possessing the private key, and therefore is the only
// one able to decrypt.
$cert = new COM("Chilkat.Cert");
$success = $cert->LoadFromFile('cknotes.cer');
if ($success == 0) {
    print $cert->LastErrorText . "\n";
    exit;
}

// Create a new email object
$email = new COM("Chilkat.Email");

$email->Subject = 'This email is encrypted';
$email->Body = 'This is a digitally encrypted mail';
$email->From = 'Chilkat Support <support@chilkatsoft.com>';
$success = $email->AddTo('Chilkat Blog','admin@cknotes.com');

// Indicate that the email is to be sent encrypted.
$email->SendEncrypted = 1;

// Specify the certificate to be used for encryption.
$success = $email->SetEncryptCert($cert);

$success = $mailman->SendEmail($email);
if ($success != 1) {
    print $mailman->LastErrorText . "\n";
}
else {
    print 'Mail Sent!' . "\n";
}


?>