Node.js

Send Encrypted Email using Certificate in Apple Keychain

See more Apple Keychain Examples

Send encrypted (S/MIME) email using a certificate found in the Apple Keychain.

Note: This example requires Chilkat v10.1.2 or later.

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var email = new chilkat.Email();
    email.Subject = "This email is encrypted";
    email.Body = "This is a S/MIME encrypted mail";
    email.From = "Joe <joe@example.com>";

    //  Emails are encrypted using the recipient's certificate.
    var recipientEmailAddr = "jane@example2.com";
    email.AddTo("",recipientEmailAddr);

    //  Indicate that the email is to be sent encrypted.
    email.SendEncrypted = true;

    var cert = new chilkat.Cert();

    //  -----------------------------------------------
    //  This example requires Chilkat v10.1.2 or later.
    //  -----------------------------------------------

    //  The recipient's certificate is used to encrypt.
    //  This will load the certificate from the Apple Keychain.
    success = cert.LoadByEmailAddress(recipientEmailAddr);
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    //  Specify the certificate to be used for encryption.
    success = email.SetEncryptCert(cert);
    email.SendEncrypted = true;

    var mailman = new chilkat.MailMan();
    mailman.SmtpHost = "smtp.example.com";
    mailman.SmtpUsername = "joe@example.com";
    mailman.SmtpPort = 587;
    mailman.StartTLS = true;

    //  We'll get the SMTP password from the Apple Keychain.
    //  See how we originally saved the email credentials to the Keychain here:
    //  Save Email Credentials in Apple Keychain or Windows Credentials Manager
    var secrets = new chilkat.Secrets();

    //  On Windows, this is the Windows Credentials Manager
    //  On MacOS/iOS, it is the Apple Keychain
    secrets.Location = "local_manager";

    //  Specify the name of the secret.
    //  service and username are required.
    //  appName and domain are optional.
    //  Note: The values are arbitrary and can be anything you want.
    var json = new chilkat.JsonObject();
    json.UpdateString("appName","MyEmailApp");
    json.UpdateString("service","SMTP");
    json.UpdateString("domain","example.com");
    json.UpdateString("username","joe@example.com");

    mailman.SmtpPassword = secrets.GetSecretStr(json);

    //  Send the encrypted email.
    //  The email is encrypted and sent within the SendEmail function.
    success = mailman.SendEmail(email);
    if (success !== true) {
        console.log(mailman.LastErrorText);
        return;
    }

    console.log("Encrypted email sent!");

}

chilkatExample();