Envio de correos de prueba

.env

MAIL_FROM=
MAIL_TO=
MAIL_SERVER=
MAIL_PORT=25
MAIL_SUBJECT=Correo de prueba
MAIL_TEXT=Este es un correo de prueba

install.sh

#!/bin/bash
mkdir sendTestEmail
cd sendTestEmail
wget https://gist.githubusercontent.com/dorancemc/57e79394fef16c6ef5a04cc639c9188a/raw/81e568980dda4a64116b016f49189fcee97331c9/.env
wget https://gist.githubusercontent.com/dorancemc/57e79394fef16c6ef5a04cc639c9188a/raw/81e568980dda4a64116b016f49189fcee97331c9/senMail.js
npm install nodemailer dotenv

senMail.js

require('dotenv').config();
const nodemailer = require('nodemailer');

async function sendTestEmail() {
    const { 
        MAIL_FROM, MAIL_TO, MAIL_SERVER, MAIL_PORT, 
        MAIL_SUBJECT, MAIL_TEXT 
    } = process.env;

    if (!MAIL_FROM || !MAIL_TO || !MAIL_SERVER || !MAIL_PORT) {
        console.error('Faltan variables de configuración en el archivo .env');
        process.exit(1);
    }

    const currentDate = new Date();
    const formattedDate = currentDate.toISOString().replace('T', ' ').slice(0, 19);
    const subjectWithDate = `${MAIL_SUBJECT} ${formattedDate}`;
    const transporter = nodemailer.createTransport({
        host: MAIL_SERVER,
        port: parseInt(MAIL_PORT, 10),
        secure: false,
        tls: {
            rejectUnauthorized: false,
        },
    });

    try {
        const info = await transporter.sendMail({
            from: MAIL_FROM,
            to: MAIL_TO,
            subject: subjectWithDate,
            text: MAIL_TEXT,
        });

        console.log('Correo enviado con éxito:', info.messageId);
    } catch (error) {
        console.error('Error al enviar el correo:', error);
    }
}

sendTestEmail();