(Node.js) Secure IMAP over TLS/SSL

To communicate with an IMAP server over TLS/SSL, simply set the Ssl and Port properties. The remainder of your code is the same as with non-SSL.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var imap = new chilkat.Imap();

    // To use a secure TLS/SSL connection, set the Ssl property and the port:
    imap.Ssl = true;
    // The typical port for IMAP SSL is 993
    imap.Port = 993;

    // Connect to an IMAP server.
    var success = imap.Connect("imap.someMailServer.com");
    if (success !== true) {
        console.log(imap.LastErrorText);
        return;
    }

    // Login
    success = imap.Login("myLogin","myPassword");
    if (success !== true) {
        console.log(imap.LastErrorText);
        return;
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success !== true) {
        console.log(imap.LastErrorText);
        return;
    }

    // We can choose to fetch UIDs or sequence numbers.
    var fetchUids = true;
    // Get the message IDs of all the emails in the mailbox
    // messageSet: MessageSet
    var messageSet = imap.Search("ALL",fetchUids);
    if (imap.LastMethodSuccess == false) {
        console.log(imap.LastErrorText);
        return;
    }

    // Fetch the emails into a bundle object:
    // bundle: EmailBundle
    var bundle = imap.FetchBundle(messageSet);
    if (imap.LastMethodSuccess == false) {

        console.log(imap.LastErrorText);
        return;
    }

    // Loop over the bundle and display the FROM and SUBJECT of each.
    var i = 0;
    var numEmails = bundle.MessageCount;
    while (i < numEmails) {
        // email: Email
        var email = bundle.GetEmail(i);
        console.log(email.From);
        console.log(email.Subject);
        console.log("--");

        i = i+1;
    }

    // Disconnect from the IMAP server.
    success = imap.Disconnect();


}

chilkatExample();