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How to Send Email using Mailgun API in Node.js ?
  • Difficulty Level : Expert
  • Last Updated : 27 Apr, 2020

Sending an email is an essential part of any project and it can be achieved by using Mailgun API. It is very popular for sending emails.

Features of Mailgun: .

  1. It is easy to get started and easy to use.
  2. It is widely used and popular module for sending emails.
  3. Mails can also be scheduled.

Installation of Mailgun module:

  1. You can visit the link to Install mailgun module. You can install this package by using the following command.
    npm install mailgun-js
  2. After installing mailgun you can check your mailgun version in command prompt using the command.
    npm version mailgun-js
  3. After that, you can create a folder and add a file. For example index.js. To run this file you need to run the following command.
    node index.js
  4. Requiring module: You need to include mailgun module in your file by using these lines.
    const mailgun = require('mailgun-js');

Filename: index.js

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var API_KEY = 'Your_Api_Key';
var DOMAIN = 'Your_Domain';
var mailgun = require('mailgun-js')
       ({apiKey: API_KEY, domain: DOMAIN});
  
sendMail = function(sender_email, reciever_email,
         email_subject, email_body){
  
  const data = {
    "from": sender_email,
    "to": reciever_email,
    "subject": email_subject,
    "text": email_body
  };
    
  mailgun.messages().send(data, (error, body) => {
    if(error) console.log(error)
    else console.log(body);
  });
}
  
var sender_email = 'sender@gmail.com'
var receiver_email = 'receiver@gmail.com'
var email_subject = 'Mailgun Demo'
var email_body = 'Greetings from geeksforgeeks'
  
// User-defined function to send email
sendMail(sender_email, receiver_email, 
            email_subject, email_body)

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Steps to run the program:

  1. The project structure will look like this:
    project structure
  2. Make sure you have installed mailgun using the following commands:
    npm install mailgun-js
  3. Run index.js file using the following command:
    node index.js

    Output of above command

  4. If no error occurs, then go and check the receiver email inbox
    receiver-inbox
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