mail.js

const nodemailer = require('nodemailer')
const mailGun = require('nodemailer-mailgun-transport')
const dotenv = require('dotenv');
dotenv.config();


//api and domain provided by mailgun
const auth = {
    auth:{
        api_key:process.env.API_KEY,
        domain:'sandboxc6297caa1a6a472b8723fdfd8d2b4782.mailgun.org'
    }
}

const transporter = nodemailer.createTransport(mailGun(auth))

//to send mail to the recepient
const sendMail = (subject,email,message,cb) =>{
    const mailOptions = {
        from: email,
        to:'alphavio16@gmail.com',  //email of verified recipient
        subject,
        text:message
    }
    
    transporter.sendMail(mailOptions,  (err,data) =>{
        if(err)
          cb(err,null)
        else
          cb(null,data)
    })
}

module.exports = sendMail