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Java Gmail Integration: Sending and Receiving Emails

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  • Post last modified:May 3, 2024

In this tutorial, we will explore how to integrate Java with Gmail to send and receive emails. Google’s Gmail provides a robust API for interacting with its email service, and we’ll leverage the JavaMail API to achieve this integration. This tutorial will cover the basics of setting up your Gmail account for API access, configuring your Java project, and demonstrating examples for sending and receiving emails programmatically.


  1. Java Development Kit (JDK) installed (version 8 or above).
  2. An active Gmail account.
  3. Access to the internet.

Step 1: Enable Gmail API and Obtain Credentials:

  • Go to the Google Cloud Console (
  • Create a new project or select an existing one.
  • Enable the “Gmail API” for your project.
  • Create credentials for your project (OAuth client ID). Download the JSON file containing your client ID and secret.

Step 2: Set Up JavaMail API:
Add the JavaMail API library to your Java project. You can download it from the official Oracle website or include it as a Maven dependency.

For Maven, add the following dependency to your pom.xml:

Step 3: Configure Gmail API Credentials in Your Java Project:

  • Place the downloaded JSON file (credentials) in a secure location within your project.
  • Use the credentials file in your Java code to authenticate with Gmail API.

Example Code for Sending an Email:

Remember to replace “” with the actual Gmail account you want to use and update the path to the credentials file.


This tutorial covers the basics of integrating Java with Gmail for sending emails. You can further enhance the functionality by incorporating the JavaMail API for receiving and processing emails. Explore the Gmail API documentation and JavaMail API documentation for additional features and customization options.

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