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Best WordPress SMTP Plugins


SMTP (Simple Mail Transfer Protocol) is an industry standard for sending emails. Proper SMTP configuration helps increase email deliverability by using authentication.


The easiest way to make sure emails arriving in your users’ inboxes that is by using a WordPress SMTP plugin.

A WordPress SMTP plugin helps you integrate your website with an SMTP server to relay and send emails.

Choosing the best WordPress SMTP plugin will come down to which one supports the email provider for your SMTP server.

There are many WordPress SMTP plugins, most of them are free to use.

  • WP Mail SMTP
  • Easy WP SMTP
  • FluentSMTP
  • Post SMTP Mailer
  • SMTP Mailer
  • Mail Bank
  • Gmail SMTP
  • WP Mail Smtp – SMTP7
  • WP Mail Settings

Let’s review some of the best WordPress SMTP plugins in the section below.

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1. WP Mail SMTP

WP Mail SMTP plugin easily resolves email delivery problems by improving and changing how your WordPress site sends email.

WP Mail SMTP plugin includes many different SMTP setup options:

  2. Sendinblue SMTP 
  3. Mailgun SMTP
  4. SendGrid SMTP
  5. Postmark SMTP
  6. SparkPost SMTP
  7. Gmail SMTP
  8. Microsoft SMTP 
  9. Amazon SES SMTP 
  10. Zoho Mail SMTP 
  11. All Other SMTP

WP Mail SMTP Pro Price

  • Pro normally - $49.00/ year
  • Elitenormally - $99.00/ year
  • Developernormally - $199.00/ year
  • Agencynormally - $399.00/ year

2. Post SMTP Mailer

Post SMTP is the best, powerful, easy-to-use SMTP Mailing Plugin that maximizes the deliverability of all your emails.

Fully compatible with any SMTP mailing service, API mailing (SMTP blocked), email logs, failure notifications and much more.

Post SMTP is not another WP Mail SMTP clone like WP Bank or Easy SMTP. It replaces the default WordPress SMTP library, PHPMailer, with the heavy-duty Zend_Mail.


  • Easy-to-use, powerful Setup Wizard
  • Commercial-grade Connectivity Tester
  • Log and resend all emails
  • Supports International alphabets, HTML Mail and MultiPart/Alternative
  • Supports forced recipients (cc, bcc, to) and custom email headers
  • SASL Support: Plain/Login/CRAM-MD5/XOAUTH2 authentication
  • Security Support: SMTPS and STARTTLS (SSL/TLS)
  • Copy configuration to other instances of Post

3. SMTP Mailer

SMTP Mailer plugin allows you to configure a mail server which handles all outgoing email from your website.

SMTP Mailer plugin takes control of the wp_mail function and use SMTP instead.


  • SMTP Host
  • SMTP Authentication
  • SMTP Username
  • SMTP Password
  • Type of Encryption
  • SMTP Port
  • From Email Address
  • From Name

4. Easy WP SMTP

Easy WP SMTP allows you to configure and send all outgoing emails via a SMTP server and prevent your emails from going into the junk/spam folder of the recipients.



  • Send email using a SMTP sever
  • You can use Gmail, Yahoo, Hotmail’s SMTP server
  • Seamlessly connect your WordPress blog with a mail server to handle all outgoing emails
  • Securely deliver emails to your recipients
  • Option to enable debug logging
  • Ability to specify a Reply-to email address
  • Option to Export and Import the SMTP settings

5. FluentSMTP

Fluent SMTP is the fastest and most advanced WordPress Mail SMTP plugin in the market.

Fluent SMTP plugin fixes your email delivery issue by connecting WordPress Mail with your email service providers.

Connect as many Email Service Providers as you want and FluentSMTP will route your transactional and marketing emails automatically.


  • Real-Time Email Delivery
  • Email Routing to multiple email connections
  • Connect with Any Email Service Providers
  • Email Logs
  • Fallback Email Connection
  • Resend Any Emails
  • In Details Reporting
  • Super fast UI powered by VueJS
  • Amazon SES API Connection
  • Gmail OAuth API Connection
  • Google Workspace OAuth API Connection
  • Outlook OAuth API Connection
  • SendGrid API
  • Mailgun API
  • Sendinblue API
  • Pepipost API
  • SparkPost API
  • Zoho via SMTP
  • All Other SMTP

7. Mail Bank

Mail Bank is a FREE SMTP plugin that gives you every feature needed to guarantee fast and 100% confident email deliverability.

This includes a list of features designed to test, log, and control your email deliverability, even over multiple WordPress installations and networks.

Mail Bank Features

  • Support & Updates for up to 5 Installations
  • Support for WordPress Multisite
  • Technical Support
  • Free & Automatic Updates
  • Compatibility With All Major Plugins
  • Email Setup Wizard
  • SMTP Support
  • Authentication OptionsTest Emails
  • Debug Mode & Email Logging Settings
  • SMTP Server Port Testing / Connectivity Test
  • Encryption
  • Email Logs
  • Roles & Capabilities

10. WP Mail Settings

WP Mail Settings is just a WordPress plugin but it has an unbelievable power to change your WordPress experience.

Dynamic mail templating setting will make your promotional mail more professional and more attractive to your targeted user.

You can use custom SMTP server for process your WordPress mail.


WP Mail Settings Features:

  • Text And Html Mail
  • Dynamic Mail Templating
  • Default Mail Setting
  • Custom SMTP Server Setting
  • Fully Customizable
  • Lightweight
  • Contact form 7 and all plugins support that are using WordPress mail


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