When it comes to sending emails from a Next.js application, there are several reliable and feature-rich options available. Let’s explore some of the best choices:

1. SendGrid

SendGrid is a popular email delivery service that provides a powerful API for sending, tracking, and analyzing emails.

• Integration with Next.js: SendGrid can be easily integrated into a Next.js application using the @sendgrid/mail npm package. It allows you to send emails directly from Next.js API routes.
• Features: SendGrid offers features like email templates, personalization, and advanced analytics, making it a great choice for building robust email capabilities in your Next.js app.

2. Mailgun

Mailgun is another reliable email service that provides a simple API for sending, receiving, and tracking emails.

• Integration with Next.js: Mailgun can be integrated into a Next.js application using the mailgun.js npm package. It allows you to send transactional emails, process webhooks, and implement email automation workflows.
• Features: Mailgun provides reliable email delivery with features like deliverability monitoring, bounce and spam processing, and sender reputation tools.

3. Resend

Resend is a modern email delivery service designed specifically for developers. It aims to simplify the process of integrating email capabilities into web applications.

• Integration with Next.js: Resend integrates easily with Next.js and sends emails directly from Next.js API routes or Server Actions.
• Features: Resend offers a simple interface, easy integrations, and handy templates. It works with the latest Next.js versions, including the App Router.

4. Brevo (formerly Sendinblue)

Brevo is a comprehensive CRM suite of communication tools, including email campaign software, transactional emails, and more.

• Integration with Next.js: Brevo integrates into a Next.js application using its API.. You can send transactional emails directly from Next.js API routes.
• Features: Brevo offers features like email templates, personalization, and advanced analytics, making it a suitable choice for building email capabilities in your Next.js app.

5. Nodemailer

Nodemailer is a popular Node.js library for sending emails, known for its flexibility and ease of use.

• Integration with Next.js: It can be integrated directly into Next.js API routes, allowing you to send emails without a separate server setup.
• Features: Supports various transport methods (SMTP, Gmail, etc.), and allows sending HTML emails, attachments, and template-based emails. It is highly configurable and free to use.

When choosing the best option for your Next.js application, consider factors such as ease of integration, reliability, deliverability, and the specific features you require. All of the mentioned services have their own strengths and can be integrated seamlessly with Next.js to add powerful email capabilities to your web application.