y2bhXFKQ

1const nodemailer = require("nodemailer");    
2  const smtpTransport = nodemailer.createTransport({
3    service: "Gmail",
4    auth: {
5      user: "...@gmail.com",
6      pass: "..."
7    }
8  });
9
10  router.post('/...', (req, res) => {
11  ...
12    rand = Math.floor((Math.random() * 100) + 54);
13    host = req.get('host');
14    link = "http://" + host + "/api/users/verify?id=" + rand;
15    let mailOptions = {
16      from: smtpTransport.user,
17      to: req.body.user_email,
18      subject: "Please confirm your Email account",
19      html: "Hello,<br> Please Click on the link to verify your email.<br><a href=" + link + ">Click here to verify</a>"
20    }
21    smtpTransport.sendMail(mailOptions, (err, res) => {
22      if (!err) {
23        res.status(200).json({
24          message: 'Email sent successfully',
25        });
26      } else {
27        return res.status(500).json({
28          error: err
29        });
30      }
31    });
32    ...
33  });
34	
35router.get('/...', (req, res) => {
36    if ((req.protocol + "://" + req.get('host')) == ("http://" + host)) {
37        console.log("Domain is matched. Information is from Authentic email");
38        if (req.query.id == rand) {
39            console.log("email is verified");
40            res.end("<h1>Email " + mailOptions.to + " is been Successfully verified");
41        } else {
42            console.log("email is not verified");
43            res.end("<h1>Bad Request</h1>");
44        }
45    } else {
46        res.end("<h1>Request is from unknown source");
47    }
48});