send-test-email.js

import mail from './index.js';

const to = 'pguardiario@gmail.com';
const from = 'Alerts <alerts@mail.fiery.tools>';
const subject = 'Email Alert from Fiery Tools';
const html = '<h1>Hello World!</h1><p>This is a test email sent from a Node.js application on a Contabo VPS.</p>';

mail(to, from, subject, html);
"v=spf1 include:_spf.mx.cloudflare.net ip4:173.249.24.21 ~all"