Email deliverability is a critical part of any WordPress site—whether you’re sending contact form notifications, order confirmations, or password resets. While WP Mail SMTP is a popular solution, it’s not the only player in the game. In fact, depending on your needs, you might find a WP Mail SMTP alternative that’s faster, more user-friendly, or better suited for advanced integrations.
In this post, we’ll explore the best SMTP WordPress plugin options available today. These alternatives offer reliable email delivery, better analytics, improved security, and easier configuration—giving you full control over how your emails are sent and received.
Whether you’re looking to cut down on costs, simplify setup, or scale your email infrastructure, there’s a powerful SMTP plugin out there for your WordPress stack.
Table of Contents
What Is WP Mail SMTP?
WP Mail SMTP is a popular WordPress plugin designed to fix email deliverability issues by allowing your website to send emails through a proper SMTP (Simple Mail Transfer Protocol) server instead of relying on the default PHP mail() function, which is often blocked or flagged as spam by hosting providers and email clients.
By default, many WordPress sites struggle to send emails reliably—whether it’s for contact forms, password resets, WooCommerce receipts, or other notifications. These emails often end up in spam folders or fail to deliver entirely. WP Mail SMTP solves this by connecting your WordPress site to trusted email services like:
- Gmail / Google Workspace
- Sendinblue (Brevo)
- SMTP.com
- Mailgun
- Amazon SES
- Microsoft Outlook / Office365
- And more
In summary, WP Mail SMTP helps ensure your WordPress site emails are delivered reliably, securely, and professionally—a must-have for agencies, eCommerce sites, and serious bloggers.
Why Look for a WP Mail SMTP Alternative?
WP Mail SMTP is great — but it’s not always the perfect fit for every project. Agencies and developers might need a WP Mail SMTP alternative when:
- You need advanced routing or multi-site email control
- You’re working on a tight budget and need a solid free WP SMTP WordPress plugin
- You want the best SMTP WordPress plugin for specific providers like SendGrid or Amazon SES
- You prefer lightweight, code-first tools over feature-heavy dashboards
- You need stricter email security or no logging
There’s no one-size-fits-all. Luckily, the WordPress ecosystem is packed with flexible WordPress SMTP plugins that can better match your workflow.
Once you’ve found the perfect plugin setup, save it as an InstaWP template to reuse across all your client projects.
Best WordPress SMTP Plugins to Use as WP Mail SMTP Alternatives
Just in case your client asks for something different, or you need to look beyond the WP Mail SMTP plugin, these SMTP WordPress plugins are excellent alternatives — each offering unique features to match your project needs. Whether you’re after better pricing, advanced features, or tighter control, these are the best SMTP WordPress plugin options to consider.
1. Post SMTP
Technical Overview
Current Version: 2.5.9+
WordPress Compatibility: 5.0 to 6.8+
PHP Version: 7.2+
Supported Mailers: Gmail, Microsoft 365/Outlook, Amazon SES, SendGrid, SMTP.com, Mailgun, Postmark, custom SMTP servers
Security: OAuth 2.0, TLS/SSL encryption
Architecture: Fully replaces wp_mail() function, supports WP CLI for advanced users
Integration: Compatible with WooCommerce, WPForms, Gravity Forms, and most major contact form plugins
Post SMTP is a powerful and modern solution trusted by over 400,000 WordPress site owners to fix email deliverability issues and ensure that emails reach inboxes — not spam folders. Designed as a next-generation SMTP plugin, Post SMTP replaces the outdated default wp_mail() function with a more reliable and secure email-sending infrastructure.
Whether you’re using Gmail SMTP, Microsoft 365, Amazon SES, or other providers, Post SMTP makes configuration seamless and is packed with advanced features, making it one of the best SMTP WordPress plugin options for developers and agencies.
Want to test how Post SMTP plugins behave in different server environments? Spin up a staging site instantly — no setup required.
Features and Benefits
- 3-Step Quick Setup Wizard: Configure any SMTP mailer like Gmail, Amazon SES, Outlook, etc., within minutes.
- Detailed Email Logs: View, filter, and track the status of all WordPress emails along with full error diagnostics.
- Post SMTP Mobile App: Monitor and manage WordPress email activity in real-time from your phone.
- Email Reporting Dashboard: Get weekly summaries and analytics on email delivery performance.
- OAuth 2.0 Authentication: Securely connect to major SMTP providers without using plain-text passwords.
- Fallback Mailing: Automatically route emails through a secondary mailer if the primary one fails.
- Instant Failure Alerts: Receive immediate notifications via email, Slack, or Pushover on any delivery failure.
- Premium Support Options: Access WordPress forum help, email assistance, and one-on-one expert support.
Why It’s a Great WP Mail SMTP Alternative
Post SMTP offers more than just basic email delivery — it provides in-depth control, flexible routing, and enterprise-level monitoring features. Compared to WP Mail SMTP, this plugin stands out for agencies and developers who need deeper visibility into email activity, automated failover systems, and integration flexibility.
As a feature-rich WP Mail SMTP alternative, Post SMTP is especially valuable in high-volume, multi-client, or compliance-heavy projects where email reliability and auditability are non-negotiable.
Pricing
- Free Version: Available via WordPress.org with core features.
- Premium Plan: Starting at $49.99/year, includes extended reporting, delivery tracking, mobile alerts, and advanced failure handling.
Post SMTP ranks among the most capable WordPress SMTP plugins, offering both flexibility and reliability. It’s a top-tier choice for anyone looking for a high-performance WP SMTP WordPress plugin that can handle complex email workflows with ease.
2. Easy WP SMTP
Technical Overview
Current Version: 2.1.0+
WordPress Compatibility: 5.2 to 6.8+
PHP Version: 7.2+
Supported Mailers: Gmail, SendLayer, Amazon SES, SMTP.com, Mailgun, Postmark, Brevo, SendGrid
Security: TLS/SSL encryption, OAuth 2.0 for Gmail
Email Logging: Full logs with attachments and status codes
Analytics: Open/click tracking with delivery monitoring
Compatibility: Works with WooCommerce, WPForms, Ninja Forms, Gravity Forms
Easy WP SMTP by SendLayer is a lightweight yet powerful WordPress SMTP plugin that helps resolve common email delivery issues by routing all outgoing emails through a secure SMTP server or transactional mail service. Designed for simplicity and speed, it integrates effortlessly with popular email providers like Gmail, Amazon SES, SendLayer, and more.
Before deploying an Easy WP SMTP by SendLayer to a client’s live site, use a WP staging site to test configurations, email logs, and fallback settings safely.
As one of the most efficient WordPress SMTP plugins, it ensures your site emails avoid spam filters and reach users reliably. For agencies and developers looking for a modern WP Mail SMTP alternative, Easy WP SMTP stands out with its sleek UI, built-in email logs, and flexible multi-mailer setup.
Features and Benefits
- Reliable WordPress Email Delivery: Connect with 8+ transactional mailers or custom SMTP to ensure emails are delivered, not flagged as spam.
- Guided Setup Wizard: Quickly configure SMTP credentials or third-party email APIs without manual settings.
- Fast Gmail/Google Integration: Authenticate Gmail accounts securely and send WordPress emails without delays or configuration errors.
- Detailed Email Logs: Track all outgoing emails, view logs with timestamps, and store attachments to aid in debugging and compliance.
- Email Analytics: Monitor open rates, clicks, delivery stats, and failed attempts to assess your email campaign effectiveness.
- Dashboard Widget: Quickly view key email metrics right from the WordPress dashboard without switching tabs.
- Debug Event Logging: Identify and troubleshoot email failures with real-time error logs.
- Custom Headers: Configure reply-to, BCC, and other headers to maintain control over email communication.
- Secure Email Routing: Supports secure SMTP with SSL/TLS encryption, ensuring your emails remain private and protected.
Why It’s a Great WP Mail SMTP Alternative
While WP Mail SMTP offers reliable features, Easy WP SMTP brings a more modern, developer-friendly experience — especially useful for agencies and power users. Its multi-mailer support, simplified setup, and built-in analytics dashboard give you everything needed to manage email performance in real-time.
For anyone seeking the best SMTP WordPress plugin that’s fast to implement and easy to scale, this plugin provides all the essentials — and more — with a low learning curve. It’s a worthy WP Mail SMTP alternative if you’re focused on deliverability, speed, and actionable insights.
Pricing
- Free Version: Includes essential SMTP setup, email logging, and Gmail integration.
- Premium Plan: Starts at $99/year, unlocking advanced reporting, error diagnostics, multi-mailer configurations, and premium support.
Whether you’re sending transactional emails, contact form submissions, or WooCommerce order confirmations, Easy WP SMTP delivers an intuitive interface with enterprise-level email reliability. It’s one of the top WP SMTP WordPress plugin options for agencies seeking seamless Gmail support, flexible routing, and real-time email intelligence.
3. FluentSMTP
Technical Overview
Current Version: 2.0+
WordPress Compatibility: 5.0 to 6.8+
PHP Version: 7.2+
Supported Mailers: Amazon SES, Gmail, Outlook, SendGrid, Mailgun, Brevo (Sendinblue), Postmark, SMTP2GO, Elastic Email, and more
Security: OAuth 2.0, TLS/SSL encryption
Architecture: VueJS-powered UI with built-in email logger and error handler
Integration: Works with FluentCRM, Fluent Forms, WooCommerce, and most contact form plugins
FluentSMTP is a reliable and feature-rich WordPress SMTP plugin developed to solve common email deliverability issues for WordPress sites. With seamless integration into major email service providers (ESPs) and a lightning-fast interface, FluentSMTP gives developers full control over their WordPress email system — at no cost.
It serves as an excellent WP Mail SMTP alternative, especially for agencies and developers looking for flexibility, scalability, and in-depth logging without the constraints of a premium license.
Features and Benefits
- Multiple SMTP Connections: Connect and manage multiple ESPs like Amazon SES, Gmail, Outlook, SendGrid, and Mailgun for maximum routing flexibility.
- Automatic Email Routing: FluentSMTP auto-routes transactional and marketing emails through different SMTP connections based on your configuration.
- Email Logging and Resend: Keep a detailed log of sent emails and easily resend failed or past emails with one click.
- Fallback Email Connection: Ensure uninterrupted email delivery with a backup SMTP connection that activates if the primary fails.
- Detailed Reporting: Access complete reports on email activity to optimize deliverability and campaign performance.
- Superfast UI (VueJS Powered): Enjoy a fast, modern admin interface that simplifies configuration and enhances usability.
Why It’s a Great WP Mail SMTP Alternative
FluentSMTP is ideal for developers and agencies who want a free WP SMTP WordPress plugin that doesn’t cut corners. Unlike WP Mail SMTP, which locks key features behind a premium plan, FluentSMTP delivers advanced capabilities—like multi-mailer support, fallback routing, and logging—entirely for free.
Its native connections, real-time performance, and zero-cost licensing model make it one of the best SMTP WordPress plugin options for both beginners and pros.
Pricing
Free Version: Available with all features included; no paid tier required. Hence, this is the best free WP Mail SMTP alternative.
For agencies seeking a fully capable WordPress SMTP plugin without budget constraints, FluentSMTP is a go-to choice—combining performance, power, and price into one unbeatable package. It’s a must-try WP Mail SMTP alternative for anyone serious about email deliverability.
4. Brevo
Technical Overview
Current Version: 3.1.66+
WordPress Compatibility: 5.0 to 6.8+
PHP Version: 7.2+
Supported Mailers: Native Brevo SMTP; integrates with Gmail and other ESPs via API or SMTP fallback
Security: TLS/SSL encrypted SMTP connections with GDPR-compliant data handling
Architecture: Hybrid email marketing + SMTP plugin with REST API support
Integration: Works with WooCommerce, Contact Form 7, WPForms, Elementor, and more
Brevo, previously known as Sendinblue, is more than just a transactional email plugin — it’s a complete email marketing and SMTP solution built to help WordPress site owners improve email deliverability, grow contact lists, and run engaging email campaigns right from the dashboard.
As a WordPress SMTP plugin, Brevo directly connects your site to its powerful email infrastructure, replacing the default wp_mail() function. With advanced features like real-time analytics, drag-and-drop email builders, and built-in automation, it serves as a strong WP Mail SMTP alternative, especially for users who want a blend of marketing automation and transactional reliability.
Features and Benefits
- Subscription Forms: Build and embed custom subscription forms to capture leads directly from your WordPress site.
- Contact List Management: Create, segment, and manage contact lists with precision targeting for better engagement and campaign performance.
- Marketing Campaign Builder: Design and send newsletters using Brevo’s intuitive drag-and-drop email editor or choose from its pre-built templates.
- Transactional Email via SMTP: Send all transactional emails (e.g., order confirmations, password resets) through Brevo’s SMTP infrastructure for improved deliverability and monitoring.
- Email Statistics Dashboard: Gain real-time insights into opens, clicks, bounce rates, and other performance metrics via a centralized reporting panel.
- Marketing Automation: Automate marketing workflows within WordPress using script auto-installation and Brevo tracking, enhancing targeting and personalization.
Why It’s a Great WP Mail SMTP Alternative
Brevo stands out from other WP SMTP WordPress plugin options by merging email marketing and SMTP functionality into one streamlined experience. While WP Mail SMTP focuses solely on transactional email, Brevo is ideal for WordPress users who want advanced audience segmentation, campaign building, and automation tools—without needing multiple plugins.
For agencies managing both site functionality and client marketing campaigns, Brevo offers a one-stop solution for both communication channels.
Pricing
- Free Version: Includes core features like SMTP, contact forms, and basic automation (up to 300 emails/day).
- Premium Plans: Start at $25/month, offering higher sending limits, advanced automation, multi-user access, and priority support.
If you’re looking for a WordPress SMTP plugin that doubles as an email marketing powerhouse, Brevo is one of the best SMTP WordPress plugin options available. It’s particularly well-suited for agencies and businesses looking to unify transactional emails with branded marketing campaigns—while enjoying top-tier deliverability and analytics.
5. SMTP Mailer
Technical Overview
Current Version: 1.1.3+
WordPress Compatibility: 4.6 to 6.8+
PHP Version: 7.0+
Supported Mailers: Any SMTP-compatible server including Gmail, Outlook, Amazon SES, Mailgun, and custom SMTP
Security: TLS/SSL encryption with optional plain SMTP support
Architecture: Minimal configuration with no external API dependencies
Integration: Works with most form plugins like Contact Form 7, WPForms, and Gravity Forms
SMTP Mailer is a lightweight and straightforward WordPress SMTP plugin designed to help users take full control over email delivery from their WordPress site. By overriding the default wp_mail() function and using SMTP instead, this plugin ensures that all outgoing emails are securely and reliably sent from your chosen mail server.
With a clean interface and essential configuration options, SMTP Mailer serves as a great WP Mail SMTP alternative for users who want simplicity without sacrificing control. It’s a go-to solution for developers, bloggers, and small businesses looking to improve email deliverability with minimal setup.
Features and Benefits
- SMTP Host Configuration: Easily set your preferred mail server, such as
smtp.gmail.comorsmtp.office365.com. - SMTP Authentication: Choose whether to enable authentication and securely enter your credentials.
- Username & Password Fields: Securely authenticate your email service by inputting SMTP login credentials.
- Encryption Options: Choose from TLS, SSL, or no encryption depending on your provider’s requirements.
- SMTP Port Selection: Customize the SMTP port (e.g., 587 for TLS, 465 for SSL) for optimal compatibility and security.
- Custom Sender Details: Set the “From” name and email address to maintain brand consistency in your outgoing messages.
Why It’s a Great WP Mail SMTP Alternative
While WP Mail SMTP offers integrations and analytics, SMTP Mailer focuses on providing a fast and clean interface to configure email sending — without any bloat. It’s ideal for developers and users who don’t need premium features but still want reliable SMTP-based email delivery.
Its lightweight codebase, straightforward functionality, and zero learning curve make it a solid WP SMTP WordPress plugin for smaller sites or anyone looking for a no-frills solution.
Pricing
Free Version: Available in the WordPress.org plugin repository with all core features. No premium plan required.
If you’re looking for the best SMTP WordPress plugin that keeps things simple, efficient, and free, SMTP Mailer is an excellent choice. It’s especially well-suited for developers and site owners who need quick setup and dependable functionality — without extra overhead.
6. WP SMTP
Technical Overview
Current Version: 1.2.6+
WordPress Compatibility: 4.4 to 6.8+
PHP Version: 5.6+
Supported Mailers: Gmail, Yahoo, Microsoft (Outlook/365), 163, QQ, and any SMTP-compatible service
Security: Supports TLS/SSL encryption
Architecture: Dashboard-based configuration; does not require third-party API keys
Integration: Works with most WordPress form plugins like Contact Form 7, WPForms, and Ninja Forms
WP SMTP is a simple yet effective WordPress SMTP plugin built to improve your website’s email deliverability by routing emails through a secure SMTP server. Instead of relying on the unreliable wp_mail() function that often results in emails ending up in spam folders, WP SMTP enables more controlled and authenticated email sending.
Originally developed by BoLiQuan and now maintained by WPOmnia, WP SMTP is a strong WP Mail SMTP alternative that addresses common configuration and deliverability issues — all while offering a clean interface and zero-friction setup.
Features and Benefits
- SMTP Emailing: Replaces the default
wp_mail()with SMTP-based delivery to improve reliability and reduce the chances of your emails being marked as spam. - Quick Setup Process: Simple installation and activation; just upload to your WordPress plugin directory and enable it in a few clicks.
- Centralized Email Settings: Offers a dedicated settings page in the dashboard to manage all your SMTP configurations in one place.
- Pre-Built Setup Examples: Includes helpful configuration examples for popular email services like Gmail, Yahoo, Microsoft, 163, and QQ to simplify setup.
- Validation Checks: Automatically verifies the ‘From Email’ and ‘SMTP Host’ fields to prevent misconfigurations and improve deliverability.
Why It’s a Great WP Mail SMTP Alternative
For users looking for a WP SMTP WordPress plugin that’s lightweight and easy to manage, WP SMTP provides just the right balance of control and simplicity. While it may not offer logging or reporting tools like premium plugins, its clear setup options and validation checks make it a dependable solution for developers and site owners alike.
If your focus is on reliable delivery without added complexity, WP SMTP is a no-nonsense alternative to WP Mail SMTP — and a strong choice in the best SMTP WordPress plugin category for basic needs.
Pricing
Free Version: Available on WordPress.org with full functionality and no premium upgrade required.
7. GoSMTP
Technical Overview
Current Version: 1.3.0+
WordPress Compatibility: 5.0 to 6.8+
PHP Version: 7.2+
Supported Mailers: Gmail, Outlook, Zoho, AWS SES, Sendinblue (Brevo), SMTP.com, Mailgun, Postmark, SendGrid, SparkPost, SendLayer, and custom SMTP
Security: TLS/SSL encryption; OAuth support for Gmail and Microsoft providers
Architecture: API + SMTP compatibility with built-in logging and resending engine
Integration: Works with WooCommerce, WPForms, Contact Form 7, and major WordPress plugins
GoSMTP – SMTP for WordPress is a powerful and flexible WordPress SMTP plugin designed to eliminate common email deliverability issues caused by restrictive hosting environments. Instead of relying on the unreliable PHP mail() function, GoSMTP enables your site to send emails securely via SMTP or through APIs of popular email service providers.
This makes GoSMTP a strong WP Mail SMTP alternative for agencies, developers, and growing businesses who need granular control and guaranteed email delivery across different platforms.
Features and Benefits
- Wide SMTP Provider Support: Compatible with Gmail, G Suite, Google Workspace, Outlook/Office 365, Amazon SES, Zoho, SMTP.com, Sendinblue, Mailgun, Postmark, SendGrid, SparkPost, SendLayer, or any custom SMTP provider.
- Email Logging: Track all emails sent from your WordPress site. Logs include timestamps, recipients, and status, and they can aid in debugging email issues or verifying delivery.
- Resend Emails: Allows you to resend failed or important emails individually or in bulk directly from the built-in email log wizard.
- Premium Features (Pro Version): Upgrade to access advanced features like email forwarding, detailed reports, email event tracking, and more for enterprise-level management.
- Clean Interface: Built with ease of use in mind, the plugin streamlines SMTP configuration and email auditing for all user levels.
Why It’s a Great WP Mail SMTP Alternative
GoSMTP stands out among WordPress SMTP plugins for its broad compatibility with SMTP and API-based mailers, making it ideal for developers needing integration flexibility. Unlike WP Mail SMTP, which requires paid extensions for features like email logging and multiple provider support, GoSMTP offers many of these tools upfront — with more advanced tools in its affordable premium plan.
Its reliable logging, resending functionality, and wide provider support make it a compelling WP SMTP WordPress plugin for scaling sites, ecommerce stores, and marketing campaigns.
Pricing
- Free Version: Includes core SMTP setup, multi-provider support, and email logging.
- Pro Plan: Starts at $39/year, unlocking email reports, forwarding, and enhanced management features.
Whether you’re managing marketing emails, transactional notifications, or client reporting, GoSMTP delivers powerful functionality in a lightweight package. It’s an excellent option for users seeking the best SMTP WordPress plugin that’s both affordable and scalable — and a worthy WP Mail SMTP alternative.
Final Word
The world of WordPress SMTP plugins is vast and varied, offering a range of solutions to enhance your website’s email deliverability. Whether you’re seeking to improve transactional email performance, grow your subscriber base, or streamline your email marketing efforts, these robust alternatives to WP Mail SMTP can help you reach your goals.
These plugins offer exciting features like detailed email logs, extensive reporting, quick setup wizards, and unparalleled customer support that can revolutionize your email strategy. Don’t let your emails fall into spam folders or get lost in cyberspace.
Take control of your email deliverability today and experience the difference these powerful plugins can make. Don’t hesitate, it’s time to take the next step!
FAQs About WordPress SMTP Plugins
What is WP Mail SMTP?
WP Mail SMTP is a WordPress plugin that helps improve the deliverability of emails sent from your WordPress site by configuring your email to use an SMTP service instead of the default PHP mail function.
Why should I consider alternatives to WP Mail SMTP?
You might consider alternatives if you need advanced features such as detailed analytics, email queuing and scheduling, enhanced deliverability mechanisms, broader ESP compatibility, custom email templates, multi-language support, or built-in A/B testing capabilities.
What features should I look for in a WP Mail SMTP alternative?
When evaluating alternatives, look for features like advanced analytics and reporting, email queuing and scheduling, DKIM signing, real-time deliverability monitoring, compatibility with multiple ESPs, customizable email templates, multi-language support, and A/B testing functionality.
Which SMTP plugins offer advanced analytics and reporting?
Plugins like MailPoet and Mailgun provide advanced analytics and reporting features that allow you to track email opens, clicks, bounces, and other critical metrics in a detailed manner.
Are there SMTP plugins that support email queuing and scheduling?
Yes, plugins such as Post SMTP and Sendinblue offer built-in email queuing and scheduling features, enabling you to send emails at optimal times and manage large-scale email campaigns more effectively.
How do alternative SMTP plugins enhance email deliverability?
Some alternatives enhance deliverability by including features like automatic email retry mechanisms, DKIM signing, SPF (Sender Policy Framework) validation, and real-time deliverability monitoring, which help ensure higher success rates for email delivery.
