Perl

Add a PFX Source to MailMan for Decryption

Demonstrates the Chilkat MailMan.AddPfxSourceFile method, which adds a PFX/PKCS#12 file to the MailMan object's internal list of sources used for locating certificates and private keys — for example, to decrypt S/MIME email downloaded from the server. The second argument is the PFX password. This example configures a POP3 connection and registers a PFX source.

Background: When MailMan downloads an encrypted (S/MIME) message, it needs the recipient's private key to decrypt it. On Windows and macOS the OS certificate stores are searched automatically, but when the key lives in a standalone PFX file — common on Linux or in server deployments — AddPfxSourceFile tells MailMan where to find it. A PFX bundles the certificate and its private key in one password-protected file.

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Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

# Demonstrates the MailMan.AddPfxSourceFile method, which adds a PFX/PKCS#12 file to the
# MailMan object's internal list of sources used for locating certificates and private
# keys (for example, to decrypt downloaded S/MIME email).  The 2nd argument is the PFX
# password.

my $mailman = Chilkat2::MailMan->new;

# Configure the POP3 server connection.
$mailman->MailHost('pop.example.com');
$mailman->MailPort(995);
$mailman->PopSsl(1);
$mailman->PopUsername('user@example.com');
$mailman->PopPassword('myPassword');

# Provide a PFX so that encrypted emails downloaded from the server can be decrypted.

my $success = $mailman->AddPfxSourceFile('qa_data/certs/decryption.pfx', 'pfx_password');
if (!$success) {
    print $mailman->LastErrorText, "\n";
    exit;
}

print "Added the PFX certificate/private-key source.\n";

# Note: The path "qa_data/certs/decryption.pfx" is a relative local filesystem path,
# relative to the current working directory of the running application.