Error TLSSocket.onConnectSecure trying to send Email from Hotmail with Nodemailer - node.js

Question

I am trying to use nodemailer with hotmail to send Email. testing from postman i am getting this as Error:
Microsoft Windows [Version 10.0.19041.1348]
(c) Microsoft Corporation. All rights reserved.
D:\node_apps\subscription-api>node subApp.js
App running on Port: 8080
D:\node_apps\subscription-api\subApp.js:139
if(error) throw error;
^
Error: self signed certificate in certificate chain
at TLSSocket.onConnectSecure (_tls_wrap.js:1514:34)
at TLSSocket.emit (events.js:400:28)
at TLSSocket._finishInit (_tls_wrap.js:936:8)
at TLSWrap.ssl.onhandshakedone (_tls_wrap.js:708:12) {
code: 'ESOCKET',
command: 'CONN'
}
D:\node_apps\subscription-api>
My code is looking thus:
app.get('/api/v1/sendsubexpnotice/:email',function(req,res){
let email = req.params.email;
if(!email){
return res.status(400).send({error: true, message: 'Please provide E-mail'});
}
const transporter = nodemailer.createTransport({
service:'hotmail',
auth:{
user: 'xxxxxxxxxx#hotmail.com',
pass: 'xxxxxxxxxxx'
}
});
const mailOptions = {
from :'xxxxxxxxxxxxxx#hotmail.com',
to: email,
subject: 'Your Subscription is about to Expire!',
text : 'Your Subscription is about to Expire!'
};
transporter.sendMail(mailOptions,function(error,info){
if(error) throw error;
return res.send({error:false, data: results, message: 'OK'});
})
})
What do I do to resolve such error?
How do i get this to send email? kindly advice.

Answer 1

I fixed it.
just did some few minor changes
Code looks like so
app.get('/api/v1/sendsubexpnotice/:email',function(req,res){
let email = req.params.email;
if(!email){
return res.status(400).send({error: true, message: 'Please provide E-mail'});
}
const transporter = nodemailer.createTransport({
service:'gmail',
host: 'smtp.gmail.com',
port:'587',
auth:{
user: '****#gmail.com',
pass: '****'
},
secureConnection: 'false',
tls: {
ciphers: 'SSLv3',
rejectUnauthorized: false
}
});
const mailOptions = {
from :'****#gmail.com',
to: email,
subject: 'Your Subscription is about to Expire!',
text : 'Your Subscription is about to Expire!'
};
transporter.sendMail(mailOptions,function(error,info){
if(error)throw error;
return res.send({error:false, data: info, message: 'OK'});
})
})