Description
WordPress Mail SMTP Plugin
Is your WordPress site not sending emails? You’re not alone. 3+ million websites use WP Mail SMTP to send emails reliably.
Our goal is to make email deliverability easy so that your emails always reach the inbox.
WP Mail SMTP fixes your email deliverability issues by reconfiguring WordPress to use a proper SMTP provider when sending emails.
Best of all, our easy-to-use Setup Wizard and detailed documentation guide you through the process.
WP Mail SMTP is free and has everything you need to reliably send your WordPress emails!
WP Mail SMTP Pro unlocks even more powerful features like email logging, advanced email reporting and stats, backup connections, email alerts, smart conditional routing, and much more.
What is SMTP?
SMTP (Simple Mail Transfer Protocol) is an industry-standard for sending emails. Proper SMTP configuration helps increase email deliverability by adding authentication to the emails sent from your site.
Popular email clients like Gmail, Yahoo, Office 365, and Zoho are in a constant battle with email spammers, so they check whether emails are originating from a genuine sender. If the proper authentication isn’t there, emails either go in the SPAM folder or, worse, disappear.
This is a problem for a lot of WordPress sites. By default, WordPress uses the PHP mail function to send emails generated by WordPress or any contact form plugin li... [truncated]
Installation
- Install WP Mail SMTP by WPForms either via the WordPress.org plugin repository or by uploading the files to your server. (See instructions on how to install a WordPress plugin)
- Activate WP Mail SMTP by WPForms.
- Navigate to the Settings area of WP Mail SMTP in the WordPress admin.
- Choose your SMTP option (SendLayer, SMTP.com, Brevo (formerly Sendinblue), Gmail SMTP, Elastic Email, Mailgun SMTP, Mailjet, SendGrid SMTP, Postmark, SparkPost, SMTP2GO, or Other SMTP) and follow the instructions to set it up.
- Need more help? Get support with WP Mail SMTP PRO.
wp plugin install wp-mail-smtp --activateFrequently Asked Questions
SendLayer
SendLayer is our #1 recommended transactional email service.
Its affordable pricing and simple setup make it the perfect choice for sending emails from WordPress. It also has open and click tracking, email logs, and email list management.
SendLayer is the best choice if you want a mailer that’s reliable, fast, and easy to set up. You can send hundreds of emails for free when you sign up for a trial.
Read our SendLayer documentation for more details.
SMTP.COM
SMTP.com is a recommended transactional email service.
With over 22 years of email delivery experti... [truncated]
Changelog
4.6.0 – 2025-08-26
- Added: New transactional mailer: Mandrill integration.
- Fixed: References and In-Reply-To email headers are now correctly preserved for API-based mailers.
4.5.0 – 2025-06-05
- IMPORTANT: Support for PHP 7.2 has been discontinued. If you are running this version, you MUST upgrade PHP before installing or upgrading to WP Mail SMTP v4.5. Failure to do that will disable WP Mail SMTP functionality.
- Added: New transactional mailer: MailerSend integration.
- Fixed: Microsoft Outlook basic auth deprecation notice dismissal.
- Changed: Updated the list of conflicting plugins (added Site Mailer, SureMail, Gravity SMTP).
4.4.0 – 2025-03-05
- Fixed: Emails queue runner Action Scheduler task deadlock issue.
- Fixed: Undefined array key “wp_mail_smtp_reports_widget_lite” warning in the dashboard widget.