Suppose you’re looking to solve your WooCommerce emails not sending issue, having the right tools matters. These plugins can enhance your deliverability, help you with authentication, and allow tracking of every message, which is essential for any store owner who relies on reliable communication.
By choosing the best SMTP plugins for WordPress, website owners gain better control over email configuration, monitoring, and troubleshooting, which ultimately leads to more reliable communication with users and customers.
1. WP Mail SMTP
WP Mail SMTP is one of the most trusted SMTP plugins for WooCommerce, replacing the unreliable PHP mail function with secure and authenticated SMTP delivery. Easy Setup Wizard, Step through the configuration process with a beginner-friendly onboarding wizard
WP Mail SMTP – Key Features
Integrations with multiple mailers – Gmail, Outlook, SendGrid, Amazon SES, Brevo, etc.
Built-in email testing lets you quickly verify WooCommerce email delivery.
Log emails – Record all of your outgoing emails for easy tracking.
OAuth 2.0 Authentication – Authentication with major providers to ensure emails are sent securely.
Price: Starts at $49/year for the Pro; prices go up to $199/ year.
2. FluentSMTP
Delivers emails quickly and reliably with a streamlined, no-cost setup. FluentSMTP lets you connect multiple SMTP services and automatically routes emails through the best available connection. It’s a favorite among WordPress developers for its zero-bloat design, instant email logging, and built-in fallback feature to prevent failed sends.
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FluentSMTP – Key Features
Free & Light-Weight – There is no premium version; all features are included in the free version.
Multiple SMTP Connections – Assign different SMTP servers for different types of email.
Full Email Logging – See all outgoing emails and help debug delivery issues.
Compatible with Most Leading Email Services – Compatible with Gmail, Amazon SES, Brevo, SendGrid, Zoho, and Outlook.
Super Fast & Highly Optimized – Built to handle large volumes of WooCommerce emails seamlessly.
Pricing: No paid version; all features included
3. Post SMTP Mailer / Email Log
Ideal for fixing WooCommerce email notification not working issues in complex hosting setups. In-built Email Testing – You can send test emails to check your setup and troubleshoot very easily.
Post SMTP – Key Features
API-Based Email Sending – Supports Gmail API, SendGrid API, and more for higher deliverability.
Enhanced Email Logging – Records each outgoing email, complete with detailed error logs.
Support for Google OAuth 2.0 – Enables secure authentication with Google and other providers.
Pricing: Free forever
4. Easy WP SMTP
A plain, old-fashioned plugin that allows you to send WooCommerce emails through your own authenticated SMTP server. A great solution for Store Owners who want simplicity with no fluff.
Easy WP SMTP – Key Features
SSL/TLS – Encrypted at the socket level!
Domain Authentication – Ensures outgoing emails are from the same domain as the store, improving trust in email.
Email Testing Option – Send test emails to verify settings instantly.
Minimal Resource Usage – Lightweight plugin that doesn’t slow down your WooCommerce site.
Pricing: Completely free; no premium plans
A plain, old-fashioned plugin that allows you to send WooCommerce emails through your own authenticated SMTP server. A great solution for Store Owners who want simplicity with no fluff.
5. SureMail
With SureMail, you can utilize the verified sending domains and authenticating protocols of SPF, DKIM, and DMARC to keep emails out of your customers’ spam folders.
SureMail – Key Features
WooCommerce-specific Designs – These can be set to ensure reliable store order emails, as per the WooCommerce documentation.
Using Verified Sending Domains – Leverage SPF, DKIM, and DMARC authenticated protocols to avoid being sent to spam.
Optimized for Deliverability – Made to optimize placement in inboxes for key order emails.
Integrates with WooCommerce – Seamlessly integrates with WooCommerce and supports default email actions right out of the box.
Best Suited for Stores With High Volume Orders – A bulk transactional email behavior that behaves without performance stutter.
Pricing: Paid plans start from around $29/year, depending on the provider
6. Brevo
Brevo is an excellent SMTP solution that provides transactional email and marketing email capabilities, making it perfect for WooCommerce stores that produce numerous emails. It’s a great option for store owners who want a scalable all-in-one solution for order notifications and customer engagement.
Key Features
Transactional & Marketing Emails – You can handle your WooCommerce order notifications and all marketing campaigns from one place.
Built-in Analytics Dashboard – Track open rates, click rates, bounce rates, and delivery performance.
High Deliverability – They use authenticated SMTP servers and reputation management to help minimize spam issues.
Scalable for High Volume Stores – They can send thousands of WooCommerce emails per day without issues.
Simple Integrations – They can integrate with WooCommerce, WordPress, CRMs, and plenty of other 3rd party tools.
Pricing: Paid plans start at $25/m (Pricing varies depending on email volume)
Best SMTP Plugins for WooCommerce – Feature Comparison
| Plugin | Ease of Use | Key Features | Integrations | Best For |
| WP Mail SMTP | Beginner-
friendly |
• Supports Gmail, SendGrid, Amazon SES, Brevo
• Built-in email test & logs • OAuth authentication for secure connections |
SendGrid, Amazon, Gmail and Outlook | Store owners who want reliable delivery with minimal setup |
| Fluent
SMTP |
Intermediate | • Free and lightweight
• Supports multiple SMTP connections • Full email logging & debugging |
Gmail, Brevo, SendGrid, Amazon SES, Zoho, Outlook | Stores using multiple email services or sending high-volume emails |
| Post SMTP | Advanced |
• Complete email logs with error tracking • Google OAuth 2.0 authentication |
Gmail, Zoho, Outlook, SendGrid, Mailgun | Tech-savvy users looking for troubleshooting options |
| SureMail | Beginner-friendly | • Designed for WooCommerce emails
• Easy integration with major SMTP providers • Fast setup wizard |
Gmail, Brevo, Amazon SES, SendGrid | WooCommerce store owners wanting simple, quick fixes |
| Easy WP SMTP | Basic | • Lightweight, simple SMTP setup
• Supports encrypted connections (SSL/TLS) • Email test feature |
Gmail, Yahoo, Zoho, SendGrid | Small stores needing a minimal, no-frills solution |
| Brevo SMTP | Intermediate | • Built-in transactional email service
• Real-time analytics & delivery tracking • Bulk email sending capabilities |
WooCommerce, WordPress, CRM tools | Stores needing scalable transactional email delivery |
Conclusion
Using a reliable SMTP plugin is essential for fixing WooCommerce email delivery issues and ensuring important messages reach your customers. Tools like WP Mail SMTP, FluentSMTP, Post SMTP, and SureMail improve authentication, increase deliverability, and reduce the chances of emails landing in spam folders.
Ensuring reliable email delivery is essential for any WooCommerce or WordPress website. Order confirmations, password reset emails, and customer notifications are critical for maintaining trust and smooth communication with users. However, the default PHP mail function used by WordPress often leads to delivery failures due to hosting restrictions, spam filters, or missing email authentication. This is where the best SMTP plugins for WordPress play a vital role.
By integrating a reliable SMTP solution, you can authenticate your emails properly and significantly improve deliverability. Plugins like WP Mail SMTP, FluentSMTP, Post SMTP, Easy WP SMTP, SureMail, and Brevo provide powerful features such as email logging, error tracking, secure authentication, and support for trusted email providers like Gmail, Amazon SES, and SendGrid. These features help ensure that important WooCommerce notifications and transactional emails reach the recipient’s inbox instead of getting lost in spam folders.
Implementing the best SMTP plugins for WordPress helps improve overall website reliability and user experience. When emails are delivered consistently, customers receive order updates, invoices, and support responses on time, which strengthens trust in your brand. Reliable email delivery is also important for automated processes such as account verification, password recovery, and marketing notifications. Without a proper SMTP setup, these essential communications may fail or end up in spam folders. Using the best SMTP plugins for WordPress also provides better visibility into email performance through logs, testing tools, and delivery reports. This allows website owners to quickly identify issues and ensure that every important message reaches the intended recipient successfully.
