(Node.js) Delete Individual Emails from POP3 Mailbox

Demonstrates how to delete individual emails from a POP3 mailbox.

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.

    // The mailman object is used for receiving (POP3) 
    // and sending (SMTP) email.
    var mailman = new chilkat.MailMan();

    // Set the POP3 server's hostname
    mailman.MailHost = "pop.someMailServer.com";

    // Set the POP3 login/password.
    mailman.PopUsername = "myLogin";
    mailman.PopPassword = "myPassword";

    // Set the ImmediateDelete property = false
    // When the DeleteEmail method is called, the POP3 session
    // will remain open and the emails will be deleted all at once
    // when the session closes.
    mailman.ImmediateDelete = false;

    // Download email headers.  
    // bundle: EmailBundle
    var bundle = mailman.GetAllHeaders(1);
    if (mailman.LastMethodSuccess == false) {
        console.log(mailman.LastErrorText);
        return;
    }

    var i = 0;
    // email: Email
    var email;
    while (i < bundle.MessageCount) {
        email = bundle.GetEmail(i);

        console.log("From: " + email.From);
        console.log("Subject: " + email.Subject);

        // If you decide the email is to be deleted, call DeleteEmail.
        // This marks the email for deletion on the POP3 server.
        var success = mailman.DeleteEmail(email);
        if (success !== true) {
            console.log(mailman.LastErrorText);
            return;
        }

        i = i+1;
    }

    // Make sure the POP3 session is ended to finalize the deletes.
    success = mailman.Pop3EndSession();
    if (success !== true) {
        console.log(mailman.LastErrorText);
    }

    console.log("Success!");

}

chilkatExample();