AI Summary
Have you ever lost sales because your important emails never reached your customers? Or found that your carefully crafted newsletter campaigns were sitting in spam folders instead of driving conversions?
I’ve been there. After twenty years of building WordPress websites, from small personal sites to big corporations, I’ve experienced firsthand how frustrating email deliverability issues can be.
That’s why I’ve tested dozens of the best WordPress email plugins to find solutions that actually work. As a senior writer for WP Mail SMTP and SendLayer with over 150 published guides on email deliverability, I know what separates reliable tools from marketing hype.
In this guide, I’ll share my findings after testing each plugin against three criteria:
- Deliverability performance: Does the plugin actually get your emails to the inbox rather than spam?
- Marketing automation capabilities: What features are available for growing your list and nurturing leads?
- Pricing and value: Is the cost justified by the features and reliability?
Whether you’re struggling with transactional emails never arriving, seeking better newsletter engagement, or you simply want your WordPress site’s emails to be professional and reliable, this guide has you covered.
Best WordPress Email Plugins for 2026
I’ve grouped the eleven plugins into three categories, SMTP and deliverability, email capture, and email marketing and automation, so you can jump to the type of tool you need.
Best SMTP & Deliverability Plugins
Let’s start with the best plugins to stop WordPress emails from going to spam. SMTP plugins change the way WordPress sends email. Instead of using your web server, they send through a third-party provider, making it more likely your emails hit the inbox. Here are the best of the bunch.
1. WP Mail SMTP
The most widely used SMTP plugin (4+ million active installs) that finally gets WordPress emails into inboxes.
Key features:
- Choice of 15+ SMTP/API integrations (I personally recommend SendLayer as an affordable transactional email service for small businesses)
- One-click resend for failed emails
- Automatic alerts via email, Slack, Teams, SMS, or push notifications if an email fails
- Smart routing that automatically switches to a backup provider if your primary connection fails
- One-click setup for Gmail and Outlook accounts
After testing every SMTP plugin on this list, I consistently recommend WP Mail SMTP first to anyone having problems with their WordPress emails, because it combines advanced deliverability features with beginner-friendly setup.
The free version works well for basic needs, but I’ve found the Pro features pay for themselves quickly in saved troubleshooting time. WP Mail SMTP has 4,000+ five-star reviews on WordPress.org.
There are two big reasons beginners love WP Mail SMTP:
- Choice: It supports SMTP servers and email provider APIs, so you can send WordPress email through SMTP or a provider like Gmail.
- Ease of use: You can set up any provider or SMTP server with the Setup Wizard, so you don’t have to work through a ton of technical settings. And if you’d like help, the White Glove setup service takes care of your complete WordPress SMTP settings.
In the Pro version, you also get advanced features like:
- Optimized email sending: Queue emails asynchronously if you’re sending a lot of email.
- Email logging: Logs every email sent from WordPress, with the option to log content as well as headers and to search your logs.
- Delivery status tracking: See whether emails were delivered, right in the dashboard (if your mailer supports it).
- Open and click tracking: See if individual emails were opened and links clicked.
- Resend emails: Resend or forward any email, individually or in bulk.
- Email log export: Back up logs to CSV, EML, or XLS.
- Save attachments: Automatically save sent email attachments with the log.
- Dashboard widget: Track emails sent, failed, and delivered on a chart.
- Email controls: Disable auto-update notifications, new user emails, and other WordPress-generated emails.
- Detailed reports and weekly summaries: Track deliverability, opens, and clicks on a graph, and get reports by email.
- Multisite logging: Use SMTP across a WordPress multisite with per-site settings.
If you need help getting started, the Elite license includes White Glove Setup, where the team gets everything working with SendLayer, SMTP.com, or Brevo on your site.
Why I love it:
- The guided setup wizard detects your host automatically and configures everything in under three minutes
- I can track exactly who opened my emails and clicked links with the built-in analytics dashboard
- The White Glove Setup option (Pro) configures everything for you remotely
Pricing: Lite forever-free, Pro $49/yr for 1 site (normally $99).
Best for: Almost everyone, from bloggers to WooCommerce shops to membership sites. It’s the universal solution that helps make sure your critical emails actually reach inboxes without requiring technical expertise.
2. Easy WP SMTP
A comprehensive SMTP plugin with one-click setup for Gmail and Outlook that rivals premium alternatives while staying simple.
Key features:
- Works with any SMTP provider that supports TLS/SSL
- Comprehensive email logging and delivery tracking
- Full analytics dashboard with open and click tracking
- Weekly deliverability reports and status alerts
- Backup connections and smart email routing
Easy WP SMTP has evolved significantly and now offers a feature set that matches premium alternatives. For critical business communications, it provides the tools needed for reliable delivery.
Why I like it:
- I can set up Gmail authentication with one click via its OAuth implementation
- The Slack notifications alerted me immediately when emails failed on my test site
- Despite its expanded feature set, it still keeps a relatively light footprint
Pricing: Core plugin free, Basic $49.50/yr for 1 site unlocks advanced features and premium support.
Best for: A solid alternative if you want something similar to WP Mail SMTP with a slightly different interface.
3. FluentSMTP
A 100% free, open-source SMTP plugin with unlimited connections and automatic fallback routing.
Key features:
- Quick setup wizards for 10+ popular email services
- Automatic switch to a backup mailer if your primary service has an outage
- Comprehensive email logging
- Email failure notifications
FluentSMTP delivers a lot at zero cost. I’ve deployed it on several low-budget projects where clients couldn’t justify a paid solution but still needed reliable delivery. Setting up multiple SMTP connections in priority order gives you real redundancy without a subscription.
Why I like it:
- All functionality is included for free
- I can set up multiple SMTP connections in priority order for better reliability
- The built-in testing tool means you don’t need to rely on external services
Pricing: Free, all features included.
Best for: Users on tight budgets who need multiple SMTP connections but can’t justify the cost of premium solutions like WP Mail SMTP Pro.
4. Post SMTP
A feature-rich successor to the original Postman SMTP plugin.
Key features:
- Detailed email logs
- Easy integration with popular providers via a setup wizard
- Mobile app with email logs and failure notifications
- Auto-resend failed emails
Post SMTP’s mobile notifications are genuinely useful for sites where email delivery is mission-critical, and it offers solid debugging tools for identifying why emails fail. The trade-off is that unlocking all the premium features costs more than some other SMTP plugins.
Why I like it:
- The app is handy for keeping an eye on email status on the go
- The at-a-glance dashboard gives an overview of email health
Pricing: Free core, Basic $59.99/yr (1 site), Business $99.99/yr adds more features and priority support.
Best for: Admins who specifically want mobile notifications about email failures (though WP Mail SMTP’s email alerts are enough for most businesses).
Best Email Capture Plugins
Looking to capture emails from your visitors? These plugins make it easy to collect addresses you can add to a marketing list or drip campaign.
5. WPForms
A drag-and-drop form builder with marketing addons that turn any form into a high-converting newsletter opt-in.
Key features:
- AI form builder that creates any form you can describe in plain English
- Store and export entries to analyze submission patterns
- Payment integration to collect signups and payments at once
- Show or hide fields with smart conditional logic
- High-converting lead form templates
WPForms is a great tool for creating forms that grow your email marketing lists. It’s not a complete email solution on its own, but it’s an excellent companion to any of the SMTP or ESP plugins on this list, helping you capture leads effectively.
Why I like it:
- The pre-built templates and AI form builder save me hours of design time
- Direct integrations with the major email marketing platforms make it easy to automate signups
- Conditional logic and conversational forms have dramatically boosted signup rates for me
Pricing: Lite free, paid plans from $39.50/year.
Best for: Site owners focused on building email lists rather than sending emails (a perfect companion to WP Mail SMTP, which makes sure form notifications are actually delivered).
6. OptinMonster
A high-conversion pop-up builder that turns abandoning visitors into subscribers and funnels them into your email platform.
Key features:
- Exit-intent, scroll, and timed triggers to boost opt-in rates
- A/B testing and built-in conversion analytics
- Connections with email marketing providers, no HTML forms needed
- Monster Leads backup storage
- Mobile-specific pop-ups and slide-ins
OptinMonster solves the challenge of capturing email addresses before visitors leave your site. Its targeting and triggering capabilities improve conversion rates compared to standard embedded forms. It pairs well with WP Mail SMTP: OptinMonster handles list growth while WP Mail SMTP handles deliverability.
Why I like it:
- Drag-and-drop campaign builder with 700+ templates
- Advanced display rules (scroll, exit-intent, geolocation, WooCommerce cart value)
- One-click integrations with 30+ email services, including MailPoet, Brevo, and HubSpot
Pricing: No free tier, Basic $99.60/year (1 site, unlimited campaigns). Higher plans add advanced analytics and reports.
Best for: Marketers and store owners who want powerful list-building tools to grow their audience and recover abandoning visitors.
7. Mailchimp for WP (MC4WP)
The Mailchimp-focused plugin for syncing any WordPress form or checkout to your Mailchimp lists.
Key features:
- Automatically add commenters or new registrants to your Mailchimp lists
- GDPR checkbox builder for legal compliance
- Ecommerce reporting to measure ROI from campaigns
- Developer-friendly hooks to customize functionality
MC4WP creates a bridge between WordPress and Mailchimp, making it quick to send addresses from signup forms straight to Mailchimp. For businesses already invested in Mailchimp as their email marketing platform, it automates list management and adds ecommerce tracking.
Pricing: Core free, Premium from $99/yr (2 sites) for ecommerce integration, form styling, and more.
Best for: Marketers already using Mailchimp who don’t need the flexibility of a form builder like WPForms.
8. HubSpot CRM & Email Plugin
A full lead-generation tool with signup forms, a popup builder, a WordPress newsletter builder, live chat, and chatbots.
Key features:
- Forms and popups automatically sync new leads to your CRM
- Add live chat with a chatbot to your WordPress site
- Built-in marketing analytics
- Integrations with over 1,000 CRM, email marketing, social media, and ecommerce apps
HubSpot’s WordPress plugin offers a lot for businesses that need more than just email marketing. Combining CRM, chat, forms, and email in one plugin creates useful opportunities for nurturing leads through your whole sales funnel.
Why I like it:
- I can see a complete timeline of every interaction with each contact
- The email builder mirrors HubSpot’s web app for consistency
- Built-in analytics show me exactly how my emails perform
Pricing: Free CRM with a limited email allowance, paid Marketing Hub from about $50/mo (Starter), priced by marketing contacts.
Best for: Businesses that need CRM functionality first and email second, and who don’t mind HubSpot branding (works best alongside WP Mail SMTP for system emails).
Best Email Marketing & Automation Plugins
Ready to move beyond basic notifications? These tools add drag-and-drop builders, automations, and detailed analytics. Pair them with your chosen SMTP plugin for rock-solid delivery.
9. MailPoet
An all-in-one newsletter and WooCommerce email engine built specifically for WordPress.
Key features:
- Multi-step welcome sequences that engage new subscribers automatically
- Segmentation based on purchase history to target the right audience
- Dedicated IP pools to improve deliverability
- Dozens of ready-to-use email templates
MailPoet combines email marketing with WordPress’s native block editor, which makes it intuitive for anyone already familiar with WordPress.
Why I like it:
- I can create emails right from the WordPress dashboard
- The WooCommerce integration makes it easy to encourage signups at checkout and send automatic follow-ups
- I don’t need a separate SMTP plugin, since its sending service handles deliverability
Pricing: Send up to 5,000 emails/mo free, paid plans from $10/mo for up to 500 subscribers (billed annually).
Best for: Store owners focused on marketing emails and WooCommerce who prefer an all-in-one solution and don’t mind being limited to MailPoet’s sending service.
10. Brevo (Sendinblue) WordPress Plugin
A signup-form plugin for Brevo, offering email, SMS, WhatsApp, and transactional SMTP under one roof.
Key features:
- Build marketing automation workflows that drive conversions
- Reliable SMTP relay for transactional emails
- AI-powered send-time optimization
- EU server options for strict GDPR compliance
Brevo (formerly Sendinblue) is an all-in-one communication platform that extends well beyond email. Coordinating email, SMS, and WhatsApp from a single interface makes it valuable for businesses with complex marketing needs.
Why I like it:
- I can manage all contacts in one unified database across campaigns and CRM
- The drag-and-drop builders make creating emails and landing pages simple
- I can send SMS and WhatsApp messages without separate tools
Pricing: 300 emails/day free, Starter from $9/mo (5,000 emails), with no subscriber caps.
Best for: SaaS or ecommerce teams that specifically need SMS/WhatsApp alongside email (though I’d still add WP Mail SMTP as a failsafe for critical transactional messages).
11. The Newsletter Plugin
An old-school but powerful newsletter system with unlimited subscribers even on the free tier.
Key features:
- Schedule automatic emails whenever you publish content in specific categories
- List segmentation to target specific reader interests
- WooCommerce integration to sync customer and subscriber lists
- Privacy tools to maintain legal compliance
The Newsletter Plugin offers a lot of functionality without the per-subscriber pricing that makes many ESPs expensive as your list grows. For publishers who mainly send blog updates or regular newsletters, it covers what you need without unnecessary complexity.
Why I like it:
- I can send to unlimited subscribers when using my own SMTP provider
- The composer turns blog posts into email digests with minimal effort
- The add-on library lets me expand functionality as needed
Pricing: Core free, full add-ons pack from about $65/year (€69).
Best for: Publishers focused on blog-to-email digests who want unlimited subscribers but don’t need the advanced deliverability features of WP Mail SMTP.
Next, Set Up Push Notifications for Your Blog
Did you know you can also send browser push notifications from WordPress? Check out how to set up push notifications in WordPress with a free plugin.
You can also take a look at our guides to the best MailerLite integrations and the best email tracking plugins to help with your email marketing.
Ready to fix your emails? Get started today with the best WordPress SMTP plugin. If you don’t have the time to fix your emails, you can get full White Glove Setup assistance as an extra purchase, and there’s a 14-day money-back guarantee for all paid plans.
