6 Best WordPress SMTP Plugins in 2025

Are your WordPress emails ending up in spam or not being sent at all? This common issue often occurs because you’re not using SMTP (Simple Mail Transfer Protocol) or you’re using the wrong one for your WordPress website. In this blog post, we’ll explore the top SMTP plugins that ensure your emails land in the inbox every time.

SureMail
WP Mail SMTP
SendinBlue / Brevo
Easy WP SMTP
Post SMTP
FluentSMTP

What is SMTP and Why Do You Need It?

SMTP is the standard protocol for sending emails across the internet. By default, WordPress uses PHP mail(), which often results in unreliable email delivery. To avoid your emails being marked as spam or not being delivered, it’s essential to configure SMTP for sending emails from your WordPress site. This improves reliability and ensures your messages reach their destination.

Here are the top SMTP plugins to improve your WordPress site’s email deliverability:

1. SureMail

SureMail is a highly recommended plugin that offers a straightforward setup. It allows you to connect your WordPress site to various SMTP servers, improving email deliverability and reliability. Key features of SureMail include:

  • Easy connection to different SMTP servers.
  • Enhances email deliverability.
  • Provides email logs for tracking messages.
  • User-friendly interface for configuring outgoing emails.

With SureMail, you can ensure that your emails are delivered securely and reliably.

2. WP Mail SMTP

Trusted by over 3 million websites, WP Mail SMTP is one of the most popular SMTP plugins for WordPress. It replaces the default WordPress mail function with a reliable SMTP server. Here’s why it’s trusted by so many:

  • Supports multiple mailers including Gmail, Mailgun, and SendGrid.
  • Provides detailed email logs and reports for tracking.
  • Offers an easy-to-use setup wizard and detailed documentation.
  • Ensures reliable email delivery with a variety of SMTP services.

WP Mail SMTP is perfect for users looking for a seamless setup and reliable email performance.

3. Sendinblue for WordPress

Sendinblue goes beyond being just an SMTP plugin; it integrates email marketing with SMTP services. This plugin offers a comprehensive solution for both email marketing and transactional emails. Here’s what Sendinblue offers:

  • Create and manage email campaigns directly from WordPress.
  • Email list-building and marketing automation features.
  • Send transactional emails through SMTP.
  • All-in-one email marketing and SMTP solution.

If you’re looking for a full-featured plugin that manages both email campaigns and transactional emails, Sendinblue is an excellent choice.

4. Easy WP SMTP

If you’re looking for a lightweight and easy-to-use plugin, Easy WP SMTP is a great option. It supports various SMTP services and includes a debugging tool for troubleshooting. Here are its main features:

  • Easy configuration of SMTP settings.
  • Supports all major SMTP services.
  • Built-in debugging tool to fix email issues.
  • Simple and intuitive interface.

Easy WP SMTP is ideal for users who need a reliable and simple solution for improving email deliverability.

5. Post SMTP Mailer

Post SMTP Mailer is a robust plugin that offers a user-friendly setup wizard. It supports multiple SMTP providers and includes built-in email logging. Key features include:

  • Supports a variety of SMTP providers.
  • Built-in email logger to track sent emails.
  • Failure notification system to alert you of email issues.
  • Reliable email delivery with secure protocols.

With its comprehensive set of features, Post SMTP Mailer ensures that you never miss an important message.

6. Fluent SMTP

Fluent SMTP is a free plugin that supports a wide range of SMTP providers. It offers intelligent email routing and detailed email logs, making it a powerful tool for managing email deliverability. Key features include:

  • Supports multiple SMTP connections and mailers.
  • Intelligent email routing for sending different types of emails.
  • Provides detailed email logs and fallback options for failed emails.

If you need advanced features like multiple SMTP connections and detailed tracking, Fluent SMTP is a powerful and free option.

How to Choose the Right SMTP Plugin

Choosing the right SMTP plugin can significantly improve your WordPress site’s email deliverability. Whether you prefer a simple setup or advanced features like intelligent email routing and detailed logs, there’s an SMTP plugin suited for your needs.

Conclusion

Ensuring that your WordPress emails reach the inbox is crucial for communication, especially for businesses. Using an SMTP plugin can make a world of difference in the reliability and security of your email delivery. Explore the plugins mentioned above, try them out, and see which one works best for your website.

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