Fail-Proof Email Delivery 100% Free

Set up, monitor, and manage your WordPress emails effortlessly with advanced SMTP features, analytics, and failover mitigation

Backup Connections

Auto-Retry Mechanism

Reputation Shield

Resend Failed Emails

Email Failure Notifications

Resend Failed Emails

Email Failure Notifications

Try for Yourself

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Starter Templates

Fail-Proof Email Delivery with Unmatched Reliability

Ensure every email sent from your WordPress site is delivered with confidence, thanks to multiple fallback connections, auto-retry mechanisms, and real-time failure notifications.

Never Miss an Email with Multiple Backup Connections

Multiple Backup Connections

Never Miss an Email with Multiple Backup Connections

SureMail ensures fail-proof delivery by switching to backup SMTP connections when the primary fails.

Set up multiple SMTP providers for smooth failover.

Automatically redirect emails to backup connections on failure.

Maintain uninterrupted communication with automatic fallback.

Retry Failed Emails Automatically

Auto-Retry Mechanism

Retry Failed Emails Automatically

SureMail retries sending failed emails through all configured connections until they’re delivered.

Automatic attempts to resend emails after 30 minutes of failure.

Retries across both primary and fallback connections.

Ensure emails reach their destination with intelligent fail-safe design.

Reputation Shield

Keep Emails Problem-Free with Reputation Shield

Reputation Shield scans your emails for potentially problematic content and blocks them before they are sent to your SMTP service.

Prevents the sending of emails with problematic content.

Provides a detailed report of scanned content for transparency.

Ensures only compliant emails are sent to protect your reputation.

Content Guard

Email Failure Notifications Planned

Stay Informed with Real-Time Email Failure Alerts

Get instant notifications for failed emails via OttoKit integration to any platform of your choice.

Notify team members on Slack, SMS, or other communication tools.

Customize alerts to fit your workflow and keep issues under control.

Proactively resolve issues before they impact your business.

Stay Informed with Real-Time Email Failure Alerts

adam

At SureMail, we know that reliable email delivery is crucial for success. That’s why we built SureMail—to provide an easy, fail-proof SMTP solution for WordPress users. Our goal is to help you connect with your audience effortlessly, so you can focus on what matters most.

Adam Preiser

WPCrafter

15 SMTP services

Connect with Your Favorite SMTP Services Planned

Easily link your WordPress site to top SMTP providers like Amazon SES, SendGrid, Mailgun, Postmark, and more to ensure your emails are delivered reliably and securely.

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Why Is SureMail Free?

A Gift to the WordPress Community

SureMail is our way of giving back to the WordPress community. Built by the team behind Astra and Spectra, SureMail is free forever—because reliable email delivery should be accessible to everyone.

A Gift to the WordPress Community

Empowering WordPress Users

We want every WordPress user to enjoy fail-proof email delivery without any added cost.

Fueled by Passion, Not Profit

We believe in the power of open source and want to ensure essential tools remain accessible to all.

Making Email Delivery Reliable

Our mission is to solve email issues for WordPress users everywhere, at no cost to you.

Strengthening the Community

SureMail is a contribution to make WordPress stronger and more reliable for everyone.

Everything You Need for Email Delivery

Multiple Backup Connections

Never worry about email failures—SureMail automatically reroutes through backup SMTP providers.

Advanced Retry Logic

Failed emails are automatically retried through all of the configured connections to ensure seamless delivery.

Email Logs & Resending

Keep a complete record of every email sent from your WordPress site and resend all the email messages with ease.

Reputation Shield

Reputation Shield protects your sender reputation by identifying and blocking potentially problematic emails before they’re sent.

Email Failure AlertsPlanned

Stay informed instantly with customizable email failure alerts via OttoKit or your preferred communication tools.

Multiple SMTP Providers

Integrate and switch between leading SMTP services like Amazon SES, Gmail, SendGrid, Mailgun, and many more.

Built-In Email Testing Tool

Easily send test emails for verifying your SMTP configuration before sending live emails to your customers and subscribers.

Easy and Flexible Configuration

SureMail’ simple and user-friendly interface ensures quick and hassle-free SMTP setup for users of all skill levels.

Analytics and Reporting

Gain valuable insights into your email delivery performance with comprehensive and intuitive reports.

The Buzz

What People Are Saying About SureMail

Athlone

SureMail will be the go-to solution for transactional email in WordPress.

1w Like Reply

3

Ash Nazir

I’m thankful it will be free. I’ve got no money left 😂

1w Like Reply

5

Laurent Gaulhiac

I knew it was coming but was thinking “nah am good with Fluent SMTP”, they REALLY have to make something awesome to make me change… well if seems that it will have all the features AND also free + a better design on top… Ok am sold!

1w Like Reply

Daniel Berggren

I am really looking forward to this one.
Redundancy is so important, and after reading Adam’s comments on backup email + notifications via OttoKit, this is the kind of thing that gives me peace of mind.

1w Like Reply

3

Meddy Brai

was about to judge it until I read « free
So… Thanks 🙂.

1w Like Reply

3

Csosz Tibor

Hi, thanks for this great SMTP plugin! :))

1w Like Reply

5

Andrew Peters

This is cool. But plugins like these also make me super grateful for the gridpane sendgrid integration is toggle on for every site. 🙂 😎

1w Like Reply

4

Fred Vinson

I’ve been waiting for a plugin to take out WP Mail SMTP.

1w Like Reply

Salman Sarwar

Well That’s Amazing and am badly waiting for this 😀

1w Like Reply

1

Daniel Berggren

I am really looking forward to this one.
Redundancy is so important, and after reading Adam’s comments on backup email + notifications via OttoKit, this is the kind of thing that gives me peace of mind.

1w Like Reply

3

Fred Vinson

I’ve been waiting for a plugin to take out WP Mail SMTP.

1w Like Reply

Salman Sarwar

Well That’s Amazing and am badly waiting for this 😀

1w Like Reply

1

The Buzz

What People Are Saying About SureMail

Laurent Gaulhiac

I knew it was coming but was thinking “nah am good with Fluent SMTP”, they REALLY have to make something awesome to make me change… well if seems that it will have all the features AND also free + a better design on top… Ok am sold!

1w Like Reply

Ash Nazir

I’m thankful it will be free. I’ve got no money left 😂

1w Like Reply

5

Fred Vinson

I’ve been waiting for a plugin to take out WP Mail SMTP.

1w Like Reply

Daniel Berggren

I am really looking forward to this one.
Redundancy is so important, and after reading Adam’s comments on backup email + notifications via OttoKit, this is the kind of thing that gives me peace of mind.

1w Like Reply

3

Meddy Brai

was about to judge it until I read « free
So… Thanks 🙂.

1w Like Reply

3

Andrew Peters

This is cool. But plugins like these also make me super grateful for the gridpane sendgrid integration is toggle on for every site. 🙂 😎

1w Like Reply

4

James Lepage

Yall are crushing it :)

1w Like Reply

5

Wendy Miller

Oh so happy to see this post. Can’t wait!

1w Like Reply

3

Salman Sarwar

Well That’s Amazing and am badly waiting for this 😀

1w Like Reply

1

Daniel Berggren

I am really looking forward to this one.
Redundancy is so important, and after reading Adam’s comments on backup email + notifications via OttoKit, this is the kind of thing that gives me peace of mind.

1w Like Reply

3

Wendy Miller

Oh so happy to see this post. Can’t wait!

1w Like Reply

3

Salman Sarwar

Well That’s Amazing and am badly waiting for this 😀

1w Like Reply

1

Frequently Asked Questions

All you need to know about SureMail

Is SureMail really free?

Yes! SureMail is 100% free and open-source. It’s our way of giving back to the WordPress community, offering a reliable solution for email delivery without any cost. We believe in helping WordPress users succeed with effortless, fail-proof email delivery.

How does SureMail ensure email delivery?

SureMail ensures fail-proof email delivery by allowing you to set up multiple SMTP connections and fallback providers. If your primary SMTP provider fails, the plugin will automatically switch to secondary connections one after another. Plus, it retries failed emails after a set time, ensuring that your emails have multiple chances to be delivered.

Can SureMail handle high email volumes?

Yes! SureMail is built to scale, allowing you to handle large volumes of email without compromising on reliability. With multiple SMTP connections and fallback mechanisms, it ensures your emails get delivered even when traffic or email volume spikes.

Will SureMail slow down my website?

Absolutely not! SureMail is built with ease and performance in mind. Its architecture and clean code keep it lightweight and fast. Therefore, it will not affect your website speed and performance in any way.

What are the requirements to use SureMail?

You only need to have the latest version of WordPress on your website, to begin with. SureMail is basically a plugin like any other WordPress plugin. Therefore, the latest WordPress installation along with a theme is enough to begin with.

Can I check the emails sent through SureMail?

Yes! SureMail includes comprehensive email logging features. You can track every email sent through your WordPress site, view its delivery status, and even resend emails directly from the plugin’s dashboard.

Does SureMail support secure email sending?

Yes, SureMail uses secure encryption methods like TLS/SSL to protect your email data. This ensures that your communications remain safe and private throughout the entire email delivery process.

Take Control of Your Email Delivery Today!

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