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EmailJS vs PHPMailer: What are the differences?

Introduction

In the world of web development, there are various ways to send emails from a website. Two popular options are EmailJS and PHPMailer. While both serve the same purpose of sending emails, they differ in several key aspects. This article aims to highlight the key differences between EmailJS and PHPMailer, providing a clearer understanding of their unique features and functionalities.

  1. Integration and Dependency: EmailJS is a cloud-based email service that requires integration with their API to function. It relies on JavaScript to send emails directly from the client-side without the need for any server-side language or setup. On the other hand, PHPMailer is a PHP library that needs to be installed and configured on a server with PHP support, making it dependent on server-side technology.

  2. Server-side vs Client-side: PHPMailer is primarily a server-side solution, as it runs on the server and sends emails directly from the server environment. This means that the server handles the email functionality, and the client (website user) does not have direct control over it. Conversely, EmailJS is a client-side solution, enabling direct control over email sending from the client-side using JavaScript.

  3. Security Implications: Due to its client-side nature, EmailJS has some security considerations. As the email sending code resides on the client-side, it is potentially exposed to manipulation or misuse by malicious users. On the other hand, PHPMailer being server-side, its code and configuration are not visible to users, making it a more secure option.

  4. Ease of Use: EmailJS is known for its simplicity and ease of use. It offers a user-friendly interface for configuring email templates, adding recipients, and customizing email content. PHPMailer, although a powerful library, requires a deeper understanding of PHP programming and email protocols for effective usage. It involves writing code to set up email parameters, such as SMTP servers, authentication, and attachments.

  5. Flexibility and Customization: PHPMailer provides extensive customization options, allowing developers to tailor email functionality according to specific requirements. It supports various email protocols, encryption methods, and custom headers. EmailJS, on the other hand, being a cloud service, has limited customization options, and the available functionality depends on the features provided by the service itself.

  6. Scalability: When it comes to scalability, PHPMailer offers more flexibility as it can handle a high volume of email sending seamlessly. It can be deployed on a dedicated server or cloud infrastructure, allowing for increased capacity as per the application's demand. EmailJS, being a cloud-based service, relies on the service provider's infrastructure and may have limitations in terms of scalability based on the chosen plan or service agreement.

In summary, EmailJS and PHPMailer differ in terms of their integration, server-side vs client-side nature, security implications, ease of use, customization, and scalability. The choice between these two options would depend on the specific requirements and constraints of the web development project at hand.

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    - No public GitHub repository available -

    What is EmailJS?

    It allows sending email directly from Javascript, with no backend development. The developers create one or more email templates (dynamic content supported) and then trigger an email using our Javascript SDK, specifying the template, and the dynamic parameters for rendering the email.

    What is PHPMailer?

    A full-featured email creation and transfer class for PHP. It is a class library for PHP that provides a collection of functions to build and send email messages. PHPMailer supports several ways of sending email: mail() , Sendmail, qmail & direct to SMTP servers.

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    What companies use EmailJS?
    What companies use PHPMailer?
    See which teams inside your own company are using EmailJS or PHPMailer.
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    What tools integrate with EmailJS?
    What tools integrate with PHPMailer?

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    What are some alternatives to EmailJS and PHPMailer?
    Nodemailer
    It is a single module with zero dependencies – code is easily auditable. The email delivery is Secure using TLS/STARTTLS. You can use HTML content, as well as plain text alternative.
    JavaScript
    JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
    Git
    Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
    GitHub
    GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over three million people use GitHub to build amazing things together.
    Python
    Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
    See all alternatives