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How to send email using node.js?

nodemailer module is used to send an email in Node.js. First install the nodemailer module from npm.

File Name :

npm install nodemailer

you can include Nodemailer module in any application:

File Name :

var nodemailer = require('nodemailer');

Features of Nodemailer:

File Name :

  • It supports various features like adding HTML in the mail, Unicode characters, sending attachments with the text, etc.
  • It uses the simple mail transfer protocol (SMTP).

    • How to Send an Email

    First import this into our application.

    var nodemailer = require('nodemailer');

    Create Transporter Object: createTransport() method in nodemailer which accepts an object and finally returns a transporter object. This object will be required to send emails.

    const transporter = nodemailer.createTransport(transport[, defaults]);

    File Name :

    const nodemailer = require('nodemailer');
    const secure_configuration = require('./secure');

    const transporter = nodemailer.createTransport({
    service: 'gmail',
    auth: {
    type: 'OAuth2',
    user: secure_configuration.EMAIL_USERNAME,
    pass: secure_configuration.PASSWORD,
    clientId: secure_configuration.CLIENT_ID,
    clientSecret: secure_configuration.CLIENT_SECRET,
    refreshToken: secure_configuration.REFRESH_TOKEN
    }
    });

    const mailConfigurations = {
    from: 'sana@gmail.com',
    to: 'mahira@gmail.com',
    subject: 'Sending Email using Node.js',
    text: 'Hi! There, You know I am using the NodeJS '
    + 'Code along with NodeMailer to send this email.'
    };

    transporter.sendMail(mailConfigurations, function(error, info){
    if (error) throw Error(error);
    console.log('Email Sent Successfully');
    console.log(info);
    });

    Example

    File Name :

    var nodemailer = require('nodemailer');

    var transporter = nodemailer.createTransport({
    service: 'gmail',
    auth: {
    user: 'email@gmail.com',
    pass: 'password'
    }
    });

    var mailOptions = {
    from: 'sana@gmail.com',
    to: 'mahira@yahoo.com',
    subject: 'Sending Email using Node.js',
    text: 'That was easy!'
    };

    transporter.sendMail(mailOptions, function(error, info){
    if (error) {
    console.log(error);
    } else {
    console.log('Email sent: ' + info.response);
    }
    });

    Multiple Receivers

    File Name :

    var mailOptions = {
    from: 'mahtab.habib@gmail.com',
    to: 'sana@yahoo.com, mahira@yahoo.com',
    subject: 'Sending Email using Node.js',
    text: 'That was easy!'

    html: '

    Welcome

    That was easy!

    '
    }

    send mail from localhost or without ssl certificate

    If you want to send mail from localhost or without ssl certificate, you can execute the following command on your terminal

    npm config set strict-ssl false --global
    set NODE_TLS_REJECT_UNAUTHORIZED=0





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