Rust

Set an IMAP TLS Client Certificate from a PFX File

Demonstrates the Chilkat Imap.SetSslClientCertPfx method, which supplies a TLS client certificate and private key from a PKCS #12/PFX file. The first argument is the .pfx or .p12 file path and the second is its password. Call it before connecting.

Note: The certificate path is relative to the application's current working directory. Supply the path to your own certificate file.

Background: A PFX (PKCS #12) file bundles a certificate together with its private key in a single password-protected file — the format Windows and many corporate PKI tools export. This is the counterpart to SetSslClientCertPem: use it when your credentials are packaged as one .pfx rather than as separate PEM files.

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Rust


// Demonstrates the Imap.SetSslClientCertPfx method, which supplies a TLS client certificate
// and private key from a PKCS #12/PFX file.  The 1st argument is the .pfx/.p12 file path and
// the 2nd is its password.  It must be called before connecting.

let imap = chilkat::Imap::new();

imap.set_ssl(true);
imap.set_port(993);

// The PFX password is not hard-coded in source.  Insert code here to obtain it from an
// interactive prompt, environment variable, or a secrets vault.
let pfx_password = String::new();

// Provide the PFX client certificate BEFORE connecting.
if imap.set_ssl_client_cert_pfx("qa_data/client.pfx", &pfx_password).is_err() {
    println!("{}", imap.last_error_text());
    return;
}

if imap.connect("imap.example.com").is_err() {
    println!("{}", imap.last_error_text());
    return;
}

if imap.login("user@example.com", "myPassword").is_err() {
    println!("{}", imap.last_error_text());
    return;
}

if imap.disconnect().is_err() {
    println!("{}", imap.last_error_text());
    return;
}