Best SMTP plugins for WordPress

Want to send emails from your WordPress website? Do you want them delivered directly to the inboxes of intended readers instead of spam?

This is where WordPress SMTP plugins come into play! They greatly improve the delivery chances of your emails. They do this by automatically configuring WordPress SMTP and thus allowing you to send WordPress emails through an SMTP server.

What is SMTP?

SMTP stands for Simple Mail Transfer Protocol. These are guidelines for sending and delivering outgoing and incoming email over the Internet. Provides authentication for your emails so they don’t end up in spam folders.

SMTP authenticates the domains associated with your WordPress website. This is a way to ensure that the email is from a real source that can be identified. In short, it is not spam sent from a false address or from false domains.

4 Best SMTP Plugins for WordPress

1. WP Mail SMTP


With over 3 million downloads, WP Mail SMTP has become the most popular SMTP plugin for WordPress. And for good reason.

Me firstt guarantees reliable delivery of your emails by setting up your WordPress website wp_mail() function to use SMTP and not PHP mail.

Secondly, it gives you the opportunity to use porting built-in SMTP providers all in one plugin. No need to use different plugins for different providers. In fact, it offers an installation wizard that makes it extremely easy to connect with these providers.

Providers include: SendLayer,, Sendinblue, Mailgun, SendGrid, AMazon SES, Postmark, SparkPost, ZoHo Mail and others. It also works with major email providers like Gmail, Yahoo, Outlook, Microsoft. It also comes with documentation for linking to each.

You can check email reports from your dashboard. The report is a graph showing confirmed, unconfirmed, and failed emails. It also includes email opening and click counts. Outgoing emails are logged. This allows you to view the recipient’s status, content, source, and details.

Finally it offers safe migration of your settings if you plan to switch from your old SMTP plugin.

This is a freemium plugin, which means it has a free version with a certain amount of features available for free. And if you want more features you will have to get the pro version.

2. Simple WP SMTP

Simple WP SMTPSimple WP SMTPSimple WP SMTP

Simplicity is what Easy WP SMTP is all about. It doesn’t come with an intimidating number of features. This makes it perfect for beginners. And it’s completely free.

Using this plugin to manually setup and send all your emails through an SMTP server is easy. And if you have Gmail, Hotmail or Yahoo accounts, you can connect them pretty quickly.

However, if you want to connect to third-party mail service providers like SendGrid, SendLayer, and others, it’s not that easy. It is up to you to find the SMTP details of the host providers. It doesn’t come with a connection wizard to help with this process.

The plugin gives you the option to enable debug logging to see if the emails are being sent successfully or not. It also gives you the option to specify a reply-to email address.

3. Mail SMTP Mailer

Mail SMTP MailerMail SMTP MailerMail SMTP Mailer

To make sure your emails get delivered, Post SMTP uses the zendmail library to replace the default WordPress SMTP library and PHPMailer. It has a free and pro version.

The plugin comes with a setup wizard to quickly connect with SendGrid, MailGun, Gmail and other providers. The plug-in also performs a connectivity test to detect firewalls and eliminate misconfigurations.

It also offers an email log, so that from your WordPress dashboard you can view any issues that have occurred. It also uses OAuth 2.0 which discourages storing email passwords in the WordPress database and increases password security.

Finally, where hosts like Godaddy and BlueHost block standard SMTP, this plugin circumvents that block by delivering emails over HTTPS.

It is compatible with Contact Form 7, WooCommerce, Mailster Newsletter Plugin, Gravity Forms, Elementor form and more.

4. Gmail SMTP

Gmail SMTPGmail SMTPGmail SMTP

This plugin is ideal if you want to send your WordPress emails using your Gmail account.

Redirect Gmail through Gmail’s SMTP server, which uses OAuth 2.0 to authorize access to the Gmail API. This system is more secure and you don’t need to enter your Gmail username or password.

Gmail SMTP offers basic authentication and email testing.


SMTP plugins help you set up WordPress SMTP sending to send emails that have a high probability of being delivered to readers’ inboxes. The plugins I have selected have a very good reputation among users.

On CodeCanyon you will find newsletter plugins that will allow you to send emails and newsletters after configuring the SMTP settings for your WordPress website.

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