// Import necessary modules
const nodemailer = require('nodemailer');
const anonymousTransport = require('nodemailer-anonymous-transport');

// Create a transporter with anonymous configuration
const transporter = nodemailer.createTransport(anonymousTransport());

// Email content
const mailOptions = {
  from: 'sender@example.com',
  to: 'recipient@example.com',
  subject: 'Anonymous Email',
  html: '<p>This is an anonymous email sent with HTML content</p>',
  attachments: [
    {
      filename: 'example.txt',
      content: 'This is a text file attachment',
    },
  ],
};

// Send email
transporter.sendMail(mailOptions, (error, info) => {
  if (error) {
    console.log('Error occurred: ', error);
  } else {
    console.log('Email sent: ' + info.response);
  }
});