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Perl

Find Certificate for Email Encryption

Demonstrates finding the recipient's certificate in the Windows certificate store and using it to send encrypted email.

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Perl
use chilkat();

$success = 0;

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

$mailman = chilkat::CkMailMan->new();

# Set the SMTP server.
$mailman->put_SmtpHost("smtp.example.com");

# Create a new email object
$email = chilkat::CkEmail->new();

$email->put_Subject("This email is encrypted");
$email->put_Body("This is a digitally encrypted mail");
$email->put_From('Joe <joe@example.com>');
# Emails are encrypted using the recipient's certificate.
$recipientEmailAddr = 'jane@example2.com';
$email->AddTo("Jane",$recipientEmailAddr);

# Indicate that the email is to be sent encrypted.
$email->put_SendEncrypted(1);

# This example demonstrates finding the email encryption certificate
# on a Windows system where the certificate is stored in the Windows 
# certificate store.

$cert = chilkat::CkCert->new();
# The recipient's certificate is used to encrypt.
# (Because the recipient is the only one in possession of the private key to decrypt.)
$success = $cert->LoadByEmailAddress($recipientEmailAddr);
if ($success != 1) {
    print $cert->lastErrorText() . "\r\n";
    exit;
}

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

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