Hasura SMTP Integration Guide

const nodemailer = require("nodemailer");
const transporter = nodemailer.createTransport(
  "smtp://" +
    process.env.SMTP_LOGIN +
    ":" +
    process.env.SMTP_PASSWORD +
    "@" +
    process.env.SMTP_HOST
);
const fs = require("fs");
const path = require("path");
const express = require("express");
const bodyParser = require("body-parser");
const app = express();

app.set("port", process.env.PORT || 3000);

app.use("/", express.static(path.join(__dirname, "public")));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

app.use(function (req, res, next) {
  res.setHeader("Access-Control-Allow-Origin", "*");
  res.setHeader("Cache-Control", "no-cache");
  next();
});

app.post("/send-email", function (req, res) {
  const name = req.body.event.data.new.name;
  // setup e-mail data
  const mailOptions = {
    from: process.env.SENDER_ADDRESS, // sender address
    to: process.env.RECEIVER_ADDRESS, // list of receivers
    subject: "A new user has registered", // Subject line
    text:
      "Hi, This is to notify that a new user has registered under the name of " +
      name, // plaintext body
    html:
      "<p>" +
      "Hi, This is to notify that a new user has registered under the name of " +
      name +
      "</p>", // html body
  };
  // send mail with defined transport object
  transporter.sendMail(mailOptions, function (error, info) {
    if (error) {
      return console.log(error);
    }
    console.log("Message sent: " + info.response);
    res.json({ success: true });
  });
});

app.listen(app.get("port"), function () {
  console.log("Server started on: " + app.get("port"));
});