O365 Nodemailer

email.js

/* eslint no-console: 0 */

'use strict';

const nodemailer = require('nodemailer');

// Create a SMTP transporter object
let transporter = nodemailer.createTransport({
    host: 'smtp.office365.com',
    port: 587,
    auth: {
        user: '[email protected]',
        pass: 'password',
    },
    logger: true,
    debug: true, // include SMTP traffic in the logs
});

// Message object
let message = {
    from: 'Andris Reinman <[email protected]>',
    to: 'Andris Reinman <[email protected]>',
    subject: 'O365 test message',
    text: 'O365 test message',
};

transporter.sendMail(message, (error, info) => {
    if (error) {
        console.log('Error occurred');
        console.log(error.message);
        return process.exit(1);
    }

    console.log('Message sent successfully!');
    console.log(info);
});

logs.txt

[2020-05-28 07:14:24] DEBUG Creating transport: nodemailer (6.4.6; +https://nodemailer.com/; SMTP/6.4.6[client:6.4.6])
[2020-05-28 07:14:24] DEBUG Sending mail using SMTP/6.4.6[client:6.4.6]
[2020-05-28 07:14:24] DEBUG [P7xvpVEEM] Resolved smtp.office365.com as 40.101.126.194 [cache miss]
[2020-05-28 07:14:24] INFO  [P7xvpVEEM] Connection established to 40.101.126.194:587
[2020-05-28 07:14:24] DEBUG [P7xvpVEEM] S: 220 HE1P190CA0042.outlook.office365.com Microsoft ESMTP MAIL Service ready at Thu, 28 May 2020 07:14:24 +0000
[2020-05-28 07:14:24] DEBUG [P7xvpVEEM] C: EHLO [127.0.0.1]
[2020-05-28 07:14:24] DEBUG [P7xvpVEEM] S: 250-HE1P190CA0042.outlook.office365.com Hello [90.191.155.125]
[2020-05-28 07:14:24] DEBUG [P7xvpVEEM] S: 250-SIZE 157286400
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-PIPELINING
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-DSN
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-ENHANCEDSTATUSCODES
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-STARTTLS
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-8BITMIME
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-BINARYMIME
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-CHUNKING
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250 SMTPUTF8
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: STARTTLS
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 220 2.0.0 SMTP server ready
[2020-05-28 07:14:25] INFO  [P7xvpVEEM] Connection upgraded with STARTTLS
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: EHLO [127.0.0.1]
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-HE1P190CA0042.outlook.office365.com Hello [90.191.155.125]
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-SIZE 157286400
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-PIPELINING
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-DSN
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-ENHANCEDSTATUSCODES
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-AUTH LOGIN XOAUTH2
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-8BITMIME
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-BINARYMIME
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250-CHUNKING
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250 SMTPUTF8
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] SMTP handshake finished
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: AUTH LOGIN
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 334 VXNlcm5hbWU6
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: <base64:[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 334 UGFzc3dvcmQ6
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: <base64:password>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 235 2.7.0 Authentication successful
[2020-05-28 07:14:25] INFO  [P7xvpVEEM] User "[email protected]" authenticated
[2020-05-28 07:14:25] INFO  Sending message <[email protected]> to <[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: MAIL FROM:<[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250 2.1.0 Sender OK
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: RCPT TO:<[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 250 2.1.5 Recipient OK
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] C: DATA
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] S: 354 Start mail input; end with <CRLF>.<CRLF>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] Content-Type: text/plain
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] From: Andris Reinman <[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] To: Andris Reinman <[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] Subject: O365 test message
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] Message-ID: <[email protected]>
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] Content-Transfer-Encoding: 7bit
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] Date: Thu, 28 May 2020 07:14:24 +0000
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] MIME-Version: 1.0
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM]
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] O365 test message
[2020-05-28 07:14:25] DEBUG [P7xvpVEEM] .
[2020-05-28 07:14:25] INFO  [P7xvpVEEM] <324 bytes encoded mime message (source size 321 bytes)>
[2020-05-28 07:14:26] DEBUG [P7xvpVEEM] S: 250 2.0.0 OK <[email protected]> [Hostname=HE1PR03MB3116.eurprd03.prod.outlook.com]
[2020-05-28 07:14:26] DEBUG [P7xvpVEEM] Closing connection to the server using "end"
Message sent successfully!
{
  accepted: [ '[email protected]' ],
  rejected: [],
  envelopeTime: 52,
  messageTime: 451,
  messageSize: 324,
  response: '250 2.0.0 OK <[email protected]> [Hostname=HE1PR03MB3116.eurprd03.prod.outlook.com]',
  envelope: { from: '[email protected]', to: [ '[email protected]' ] },
  messageId: '<[email protected]>'
}
[2020-05-28 07:14:26] INFO  [P7xvpVEEM] Connection closed