(Node.js) Copy an Email from One Mailbox to Another

Copies an email from one IMAP folder to another. After running this example, copies of the email will be present in both source and destination folders.

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

    // This example copies an email from one mailbox to another.
    var imap = new chilkat.Imap();

    // Turn on session logging:
    imap.KeepSessionLog = true;

    // Connect to an IMAP server.
    // Use TLS
    imap.Ssl = true;
    imap.Port = 993;
    var success = imap.Connect("imap.someMailServer.com");
    if (success !== true) {
        console.log(imap.LastErrorText);
        return;
    }

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

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

    // messageSet: MessageSet
    var messageSet;
    var fetchUids = true;

    // Get the message IDs for all emails having "Re:" in the subject.
    messageSet = imap.Search("SUBJECT Re:",fetchUids);
    if (imap.LastMethodSuccess !== true) {
        console.log(imap.LastErrorText);
        return;
    }

    // Copy the messages from "Inbox.testing.a" to "Inbox.testing.b" in one call to CopyMultiple:
    success = imap.CopyMultiple(messageSet,"Inbox.testing.b");
    if (success !== true) {
        console.log(imap.LastErrorText);
        return;
    }

    // Alternatively, loop over each message in the set and
    // copy each separately:
    var i;
    var n;
    n = messageSet.Count;
    if (n > 0) {
        for (i = 0; i <= n - 1; i++) {
            var msgId = messageSet.GetId(i);
            var isUid = messageSet.HasUids;
            success = imap.Copy(msgId,isUid,"Inbox.testing.c");
            if (success !== true) {
                console.log(imap.LastErrorText);
                return;
            }

        }

    }

    // Display the session log.
    console.log(imap.SessionLog);

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


}

chilkatExample();