Top 10 WordPress SMTP Plugins to Enhance Email Delivery

Top 10 WordPress SMTP Plugins to Enhance Email Delivery


If you’re running a WordPress website, you’re likely aware of the importance of effective email communication. Whether you’re sending out newsletters, notifications, or transactional emails, having a reliable email delivery system is crucial. This is where SMTP (Simple Mail Transfer Protocol) plugins come into play. Lets explore the top 10 WordPress SMTP plugins that can significantly enhance your email delivery rates.


Why Do You Need SMTP Plugins for WordPress?

WordPress’s built-in email system can sometimes be unreliable, leading to emails not being delivered or ending up in spam folders. SMTP plugins, on the other hand, connect your WordPress website to a dedicated email server, ensuring that your emails are sent securely and reliably.


Benefits of Using SMTP Plugins

Using SMTP plugins offers several advantages, including:

  • Improved Deliverability: SMTP plugins use trusted email servers, increasing the likelihood of your emails reaching recipients’ inboxes.
  • Reduced Spam: Proper authentication and encryption provided by SMTP plugins reduce the chances of your emails being marked as spam.
  • Detailed Tracking: Many SMTP plugins offer detailed email logs, allowing you to track the status of sent emails.
  • Customization: SMTP plugins often allow you to customize the sender’s name and email address for a more professional appearance.


Comparison of the 10 Best WordPress SMTP Plugins

When it comes to selecting the most suitable SMTP plugin for your WordPress website, it’s essential to understand the features and benefits each option offers. Here, we’ll provide a comprehensive comparison of the top 10 WordPress SMTP plugins to help you make an informed choice.


Brevo (Formerly Sendinblue)

Sendinblue stands out as an all-inclusive email marketing solution that encompasses transactional emails. With a user-friendly interface, Sendinblue’s SMTP setup offers not only ease of use but also an array of powerful features. This includes detailed email tracking, which allows you to monitor the status of your sent emails. Additionally, Sendinblue’s focus on deliverability ensures that your emails have a higher chance of reaching their intended recipients’ inboxes.



WP Mail SMTP has earned its popularity for being a dependable choice, recognized for its compatibility with a variety of email services. This plugin works seamlessly with popular email providers, such as Gmail and Outlook. What sets WP Mail SMTP apart is its ability to ensure that your emails are less likely to be flagged as spam, thanks to its secure and authenticated delivery approach.



As its name suggests, Easy WP SMTP lives up to its simplicity. Setting up this plugin is straightforward, making it an excellent choice for those who might be new to SMTP configurations. Beyond its ease of use, Easy WP SMTP offers encryption for secure email transmission, enhancing the privacy and integrity of your messages.



Mailgun is renowned for its exceptional deliverability rates, making it a preferred option for businesses that prioritize the successful transmission of their emails. Beyond its high deliverability, Mailgun provides advanced features that cater to professional email delivery needs. These features include detailed analytics and reporting, allowing you to gain insights into your email performance. takes email deliverability seriously, offering a cloud-based SMTP service that places emphasis on both security and successful email transmission. By utilizing this plugin, you tap into a robust infrastructure designed to optimize the likelihood of your emails reaching the inbox. Additionally, provides features such as dedicated IP addresses and comprehensive authentication methods to enhance your email reputation.


Post SMTP Mailer/Email Log

Post SMTP Mailer/Email Log goes beyond a simple SMTP plugin, offering a range of email delivery options. This plugin allows you to choose between various email services, tailoring your approach to suit your specific needs. Moreover, the inclusion of an email log enables you to track the journey of your emails, making it easier to diagnose and troubleshoot any delivery issues.



SendGrid has built a strong reputation as a scalable and reliable SMTP service. This plugin is well-suited for businesses that anticipate rapid growth and an increasing volume of email traffic. SendGrid’s infrastructure is designed to handle large volumes of emails without compromising deliverability. Furthermore, its advanced features, such as customizable templates and real-time analytics, empower you to craft engaging emails and monitor their performance.


Gmail SMTP

Gmail SMTP offers a unique approach by allowing you to utilize your Gmail account for sending emails from your WordPress website. This can be particularly advantageous for smaller websites and bloggers who are already accustomed to Gmail’s interface. With Gmail SMTP, you can leverage Gmail’s familiar features while seamlessly integrating your email communication with your website.



Mailster is a versatile plugin that not only facilitates email delivery but also specializes in managing newsletter campaigns. This makes it an attractive option for businesses and individuals who prioritize effective communication with their subscribers. With Mailster, you can craft engaging newsletters, manage your subscriber list, and ensure that your emails are delivered reliably using the plugin’s integrated SMTP support.



Pepipost stands out for its AI-powered approach to email delivery. This innovative plugin analyzes various factors in real-time to optimize the delivery of your emails. By utilizing machine learning and predictive analytics, Pepipost enhances the chances of your emails successfully reaching their intended recipients. Additionally, the plugin provides real-time insights, allowing you to continually refine your email strategy.

In conclusion, each of these top 10 WordPress SMTP plugins offers distinct advantages to enhance your email delivery experience. Carefully considering your website’s needs and priorities will guide you toward the most suitable option, ensuring that your email communication is not only reliable but also engaging and effective.


How to Install and Set Up SMTP Plugins on Your WordPress Site

Setting up an SMTP plugin on your WordPress site is straightforward. Here’s a general overview:

  1. Choose and install your desired SMTP plugin from the WordPress plugin repository.
  2. Configure the plugin settings with your SMTP server details and authentication credentials.
  3. Test the email functionality to ensure proper setup.


Tips for Maximizing Email Deliverability

  • Regularly update your SMTP plugin to ensure compatibility and security.
  • Use a trustworthy email service provider to handle your SMTP server.
  • Optimize your email content and avoid using spam-triggering keywords.
  • Authenticate your domain to build trust with email providers.


Quick Review

In conclusion, choosing the right SMTP plugin for your WordPress site can greatly impact your email deliverability. By incorporating one of these top 10 plugins into your website’s email system, you’ll be better equipped to ensure your messages reach their intended recipients, fostering effective communication and engagement.



An SMTP plugin is a tool that enables your WordPress site to send emails using a dedicated email server, improving deliverability.

Yes, many of these plugins offer user-friendly interfaces, making them suitable for beginners.

Yes, the Gmail SMTP plugin allows you to send emails using your Gmail account.

While SMTP plugins enhance the chances of successful email delivery, deliverability also depends on factors like email content and recipient server settings.

You can access the featured SMTP plugins on the official WordPress plugin repository.

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