Trusted WordPress tutorials, when you need them most.
Beginner’s Guide to WordPress
25 Million+
Websites using our plugins
Years of WordPress experience
WordPress tutorials
by experts

6 Best WordPress SMTP Plugins (Expert Pick)

Editorial Note: We earn a commission from partner links on WPBeginner. Commissions do not affect our editors' opinions or evaluations. Learn more about Editorial Process.

Are you looking for the best WordPress SMTP plugins for your website?

Using SMTP plugins on your website can improve the deliverability and security of the emails you send to your users. This can prevent your emails from ending up in the users’ spam folders.

In this article, we have hand-picked the best SMTP plugins for your WordPress website to improve email deliverability.

Best WordPress SMTP plugins

Why Use a WordPress SMTP Plugin?

By default, WordPress uses the PHP mail () function to send emails from your WordPress website.

These include order confirmation emails for customers in your WooCommerce store, transactional emails, form submission emails, newsletters, account activation emails, and more.

However, due to server issues, plugin conflicts, or incorrect email settings, most of these emails never make it to the users’ inboxes or even end up in the spam folder.

For more details on this, you can see our beginner’s guide on how to fix the WordPress not sending email issue.

This is where SMTP plugins come in. These plugins easily integrate with popular SMTP services to improve the overall deliverability of your emails.

SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending emails. Unlike the PHP mail () function, it uses proper authentication, making SMTP a more reliable protocol with high deliverability rates.

Plus, an SMTP plugin encrypts all your emails to prevent them from being intercepted by hackers.

They also give you more control over your email settings and let you customize the email that will be sent to the recipients.

That being said, let’s take a look at the best WordPress SMTP plugins on the market.

Note: When choosing SMTP plugins for this list, we downloaded and tried out each of the plugins on our test website. This helped us explore all the features, pros, and cons to give you the best recommendation.

1. WP Mail SMTP

WP Mail SMTP website

WP Mail SMTP is the best WordPress SMTP plugin on the market that easily replaces the PHP mail() function on your WordPress blog with SMTP.

Used by over 3 million websites, the plugin allows you to connect your website to SMTP service providers like Brevo (formerly Sendinblue), SendLayer, and AWS to improve your email deliverability.

Choose a mailer

Additionally, WP Mail SMTP allows you to send test emails to check if the emails are being successfully sent to the users.

The plugin sends you an email every week summarizing the weekly statistics of your WordPress emails. This information can help you strategize and improve your email marketing for better results.

Other than that, its free version also offers features like email logging, advanced email reporting, and backup connections. However, if you want to unlock smart email routing, email tracking, or White Glove setup, then you can upgrade to the pro version.


  • It lets you view a log of all the emails sent from your website.
  • WP Mail SMTP offers a free version of the plugin.
  • The plugin sends you an email failure notification through Slack, email, or SMS.
  • It tracks open and click rates for emails sent through WordPress.
  • WP Mail SMTP allows you to enable or disable different types of email notifications.
  • It’s compatible with all the WordPress hosting providers.


  • Some of the plugin’s more advanced features, like email tracking and email routing, require a paid plan.

Why we recommend WP Mail SMTP: Overall, WP Mail SMTP is the best choice for WordPress users as it comes with a super high email deliverability rate and easily integrates with many popular SMTP service providers.

Other than that, it completely secures all the emails sent from your website and offers spam protection, IP address restrictions, two-factor authentication, and more.

For more information, you can see our complete WP Mail SMTP review.

2. Easy WP SMTP

Easy WP SMTP website

Easy WP SMTP is a lightweight plugin that allows you to easily configure SMTP settings on your website to increase email deliverability.

It comes with a free plan that you can use to connect with SMTP providers like SendLayer, Brevo, and Mailgun.

Choose a mailer in Easy WP SMTP

The free plan of Easy WP SMTP also allows you to integrate with Gmail and offers debugging on email failure.

Plus, if you upgrade to the premium version, then you can also access features like backup connections, smart email routing, priority support, and more.


  • Easy WP SMTP has a simple interface, making it ideal for beginners.
  • Its paid plan comes with features like email tracking, email logging, and email reports.
  • The plugin also allows you to connect your WordPress site with Gmail, Hotmail, and Yahoo accounts.


  • Its free plan offers limited features that only allow you to integrate your website with an SMTP provider.
  • Easy WP SMTP offers limited support compared to other plugins on this list.

Why we recommend Easy WP SMTP: We recommend opting for the Easy WP SMTP plugin if you are looking for a simple solution. The plugin offers all the features that you will need to switch to an SMTP service, making it a great choice for beginners.

3. Post SMTP Mailer

Post SMTP Mailer

Post SMTP Mailer is another great plugin that can help boost your email deliverability.

The plugin allows you to easily connect your WordPress site with SMTP service providers and even sends you notifications via the Slack app if an email delivery fails.

It also uses OAuth 2.0 to protect your emails and performs a connectivity test to detect firewall blocks or configuration errors.


  • It comes with a built-in email logger to keep track of email details.
  • You can also connect this plugin with Gmail, Mandrill, SendGrid, and Mailgun using an API.
  • It’s compatible with WordPress multisite setups.
  • With Post SMTP Mailer, you can design a secondary fallback SMTP server if the primary server fails.


  • The plugin does not offer as many features as other SMTP plugins on the list.
  • Its free plan does not offer priority customer support.
  • Its email logs are not very comprehensive.

Why we recommend Post SMTP Mailer: Post SMTP Mailer is a great solution if you are on a budget, as its free plan offers most of the features that you will need to securely deliver your emails.

Other than that, you can also use its paid plan to unlock features like email authentication, email scheduling, email encryption, and more.

4. FluentSMTP


FluentSMTP is a free WordPress plugin that allows you to easily deliver emails using SMTP providers like Brevo, SendGrid, Mailgun, and more.

Other than improving your email delivery, the plugin allows you to keep a log and track the emails sent to users from your WordPress dashboard.


  • It is an open-source plugin that’s completely free.
  • FluentSMTP offers email encryption to make your email completely secure.
  • It comes with email routing and lets you resend failed emails.


  • FluentSMTP is a bit tricky to set up with some SMTP providers.
  • It does not support Microsoft Exchange servers.

Why we recommend using FluentSMTP: We recommend using FluentSMTP if you are on a tight budget and looking for a simple solution, as it’s open source and completely free.

5. Gmail SMTP

Gmail SMTP

The Gmail SMTP plugin is an ideal choice if you want to use Gmail as an SMTP server. The free plugin allows you to easily connect your WordPress website with Gmail and send emails through it.

The plugin also offers spam protection, email logging, and great customer support.


  • Gmail SMTP uses OAuth 2.0, which is a more secure login method.
  • It allows you to send test emails to verify if everything is working correctly.
  • It encrypts your emails before sending them to protect them from hackers.


  • Gmail SMTP is a bit trickier to set up compared to other plugins on this list.
  • It does not offer email tracking or analysis features.

Why we recommend Gmail SMTP: We only recommend Gmail SMTP if you want to send WordPress emails through your admin Gmail account.

6. SMTP Mailer

SMTP Mailer

SMTP Mailer is a free WordPress plugin that allows you to easily send emails through SMTP service providers like SendLayer, SendGrid,, and more.

The plugin has an easy-to-use interface and uses authentication to ensure that your emails are delivered to the recipient’s inbox.


  • It has a simple user interface.
  • SMTP Mailer is completely free.
  • The plugin lets you test sending emails to ensure deliverability.


  • You have to manually connect the SMTP Mailer plugin with a mailing provider.
  • It doesn’t allow you to track emails, log emails, or schedule them.
  • It doesn’t offer great customer support.

Why we recommend SMTP Mailer: SMTP Mailer is a plugin with limited functionality and a simplistic user interface. We only recommend using this plugin if you are on a tight budget and don’t mind manually integrating an SMTP service provider with the plugin.

What Is the Best SMTP Plugin for WordPress?

In our expert opinion, WP Mail SMTP is the best WordPress SMTP plugin on the market. It’s used by over 3 million websites and allows integrations with popular SMTP service providers like SendLayer and Brevo (formerly Sendinblue).

The plugin also tracks emails, sends weekly email statistics reports, and comes with email logs, making it the ultimate SMTP plugin.

However, if you are a complete beginner, then you might prefer using the Easy WP SMTP plugin, as it is super easy to use, offers a free version, and allows you to connect your WordPress site with Gmail, Hotmail, and Yahoo accounts.

You can also use Post SMTP Mailer if you run a WordPress multisite or opt for Gmail SMTP if you use Gmail as an SMTP server.

Frequently Asked Questions About WordPress SMTP Plugins

Here are some questions that our readers often ask us about using WordPress SMTP plugins.

What is an SMTP plugin?

By default, WordPress uses the PHP mail function to send emails from your WordPress site to your users.

However, most of the time, emails sent using the function are never delivered, making it unreliable and insecure.

With an SMTP plugin, you can easily connect your WordPress website to an SMTP service provider and send emails through an SMTP server. This ensures higher deliverability rates for your emails.

What are the benefits of using an SMTP plugin?

An SMTP plugin uses SMTP servers to send emails, which is a more reliable method. This means that by using one of these plugins, your emails are less likely to end up in a user’s spam folder.

Additionally, SMTP plugins use encryption to protect your emails from being intercepted by hackers, helping you prevent spam and phishing attacks.

Other than that, these plugins also allow you to track the delivery and open rates of your emails, which can improve your email marketing strategy.

What is the best SMTP provider for WordPress?

SendLayer is the best WordPress SMTP provider on the market because it’s super easy to use, affordable, and has a high deliverability rate.

It also works seamlessly with WP Mail SMTP to connect to your WordPress site and even offers amazing features like spam filter protection, subdomains to protect your reputation, built-in email list management, and great customer support.

For more details, you may want to see our expert picks for the best SMTP service providers with high email deliverability.

What is the best free SMTP plugin?

WP Mail SMTP is the best free SMTP plugin for WordPress, as its free version allows you to integrate with any SMTP provider of your choice. It also offers many helpful features, including email logging, advanced email reporting, and backup connections. 

However, the free version of Easy WP SMTP is also a great choice as it allows you to easily configure SMTP settings to increase email deliverability and lets you integrate with any SMTP service provider of your choice or your Gmail, Hotmail, and Yahoo accounts.

The Best Guides for Email Marketing in WordPress

If you liked this article, then please subscribe to our YouTube Channel for WordPress video tutorials. You can also find us on Twitter and Facebook.

Disclosure: Our content is reader-supported. This means if you click on some of our links, then we may earn a commission. See how WPBeginner is funded, why it matters, and how you can support us. Here's our editorial process.

Editorial Staff

Editorial Staff at WPBeginner is a team of WordPress experts led by Syed Balkhi with over 16 years of experience in WordPress, Web Hosting, eCommerce, SEO, and Marketing. Started in 2009, WPBeginner is now the largest free WordPress resource site in the industry and is often referred to as the Wikipedia for WordPress.

The Ultimate WordPress Toolkit

Get FREE access to our toolkit - a collection of WordPress related products and resources that every professional should have!

Reader Interactions

8 CommentsLeave a Reply

  1. Syed Balkhi says

    Hey WPBeginner readers,
    Did you know you can win exciting prizes by commenting on WPBeginner?
    Every month, our top blog commenters will win HUGE rewards, including premium WordPress plugin licenses and cash prizes.
    You can get more details about the contest from here.
    Start sharing your thoughts below to stand a chance to win!


    WordPress newbie here!
    Sending emails from my site used to be a mystery wrapped in an enigma. This guide peeled back the layers and showed me the magic of SMTP plugins. Now my emails land where they’re supposed to, and I’m learning about deliverability and tracking. Feeling less clueless and more in control – thanks WPBeginner!

  3. Moinuddin Waheed says

    This is a common problem for wordpress email deliverability.
    Most of the mails from visitors queries land up in the spam folder which increases the risk of negligence.
    I will implement wp SMTP plugin on all of my wordpress websites to ensure its deliverability in the right folders.
    Is it okay to set up contact form 7 for contact from building and then setup the wp mail SMTP for email deliverability?

  4. Ahmed Omar says

    Stellar recommendations for WordPress SMTP plugins!
    Your expert pick list is a lifesaver for those navigating the sometimes tricky waters of email configuration.
    The breakdown of features and your emphasis on reliable email delivery are spot-on.
    Thanks for simplifying the SMTP plugin landscape!

  5. Jiří Vaněk says

    I use Wp Mail SMTP on my server. I have my own server where I didn’t want to enable the mail() function in PHP or set up my own SMTP. So, I started using this plugin and send emails through my custom mailbox on a domain hosted by another provider, and I’m satisfied. Additionally, this setup reduces security concerns related to email on my own server, as I don’t have to address them. For form security, I also use the Wp Armour plugin.

Leave A Reply

Thanks for choosing to leave a comment. Please keep in mind that all comments are moderated according to our comment policy, and your email address will NOT be published. Please Do NOT use keywords in the name field. Let's have a personal and meaningful conversation.