SMTP relay service built to
help emails reach the inbox

Monitor delivery, clicks, opens, and bounces in real-time.
Say hello to blazing-fast SMTP relay service, built for high-volume senders.

Try it for free Get a Demo

5.0 on Product Hunt

5.0 on Capterra

4.5 on G2.com

Deliver your emails with confidence

Template Engine

Use our drag-and-drop email template builder to create beautiful, responsive emails in minutes. No coding required!

Dedicated IPs

Want to send more? Supercharge your emailing capabilities with our fully warmed-up dedicated IP addresses

Webhooks

Get real-time notifications about email events. Use our webhooks to track email delivery, bounces, and more

Email Delivery Tracking

Gain real-time, detailed reports on outgoing and opened emails. Enhance your user experience with valuable insights

Bounce Handling

Effortlessly manage bounced emails while ensuring no repeat sending to recipients to whom the emails hard bounced

Email API and SMTP

Stick with the traditional SMTP or use our simpler Email API to send emails using HTTP requests

Send emails your way

Send through SMTP or API. Use SMTP for a familiar setup, or connect directly through Maileroo’s Email API. Either way, you can send emails from your app, website, or platform without managing the delivery infrastructure yourself.

Explore Plans

SMTP relay service with statistics and analytics

Real-time reports after every send

View delivery activity from one dashboard, including delivered emails, opens, clicks, bounces, and suppressions. Give your team a clearer way to spot failed sends and trace delivery issues.

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Easy and simple DNS setup

Maileroo gives you the SPF and DKIM records your domain needs, with simple setup steps and checks to catch common issues before they affect delivery.

No DNS dramas. Just a cleaner path to sending.

Try it for free

Vincent Turner

Founder, UNO

“In 20+ years of having to use mail services for system emails Maileroo is by far the best service I've found. Reliable, fast, great service & support, reporting and a host of small features that you didn't realise you needed until you do! Highly recommended.”

Aarón Blanco Tejedor

CEO, Ubuntu Productions

“My experience has been outstanding. The instructions for adding domains are straightforward and easy to follow. Domain verification is incredibly quick after updating the DNS records, and emails are sent promptly without ending up in spam folders.”

Budget-friendly Email Delivery
at Any Scale

Email delivery has a lot of small moving parts. Maileroo keeps them easier to manage, from branded tracking links and email logs to sandbox testing before your own domain is ready.

Custom Hostnames

Brand your email delivery with custom hostnames. Use your domain name to click and open tracking links, and improve your email deliverability. Best part? Fully automated and free SSL certificates!

Email Logging

Diagnose email delivery issues with our email logging feature. Our email logs provide detailed information about the status of your emails.

Sandbox Domains

Not quiet ready to send emails with your own domain? No stress! Use our sandbox domains to quickly test your email delivery setup and integrations without going through the hassle of setting up your own domain.

Start with 3,000 free emails/month

Try Maileroo with enough sending volume to test your setup properly. No credit card, no long commitment, and no need to upgrade before you know it fits.

Get Started for Free

Simple SMTP setup for WordPress

Use Maileroo’s WordPress plugin to send site emails through a reliable SMTP relay. It’s built for contact forms, password resets, login emails, WooCommerce notifications, and other messages your site needs to send.

Simple SMTP by Maileroo

Improved Deliverability with SMTP Relay Service

Built to support stronger deliverability

Maileroo helps you send from authenticated domains, manage bounces, monitor blacklists, and use clean sending practices that support better inbox placement over time.

Switch to Maileroo

A simpler email platform, backed by real reviews

Start free. Scale when you send more.

Choose a monthly email volume that fits your current sending needs. Start with 3,000 free emails, then upgrade when your volume grows.

Pricing That Fits Your Needs

Plan

Quantity

Monthly Price

Free

3,000

Free Get Started

Get Started

Basic

25,000

$10.00 Get Started

Get Started

Starter

50,000

$15.00 Get Started

Get Started

Premium RECOMMENDED!

100,000

$30.00 Get Started

Get Started

Pro

250,000

$72.00 Get Started

Get Started

Ultimate

500,000

$140.00 Get Started

Get Started

Enterprise

1,000,000

$250.00 Get Started

Get Started

Need something even bigger? We've got you covered.

Request a Demo

* Our plans are billed on a monthly basis. If you prefer to pay annually, please contact us for a custom quote.
** Users sending more than 100,000 emails per month can benefit from our dedicated IP address service, available for a monthly fee of $50.

Sending more than 1,000,000 emails per month?

Let’s build a plan around your volume.

Request a demo

Free Dedicated IP for 250K+ Plans

Get Your Free Dedicated IP View Plans

Frequently Asked Questions

What is an SMTP relay service?

An SMTP relay service routes outgoing emails through a third-party mail server to improve deliverability and bypass sending limits.

How does an SMTP relay improve email deliverability?

SMTP relay services such as Maileroo, Mailgun, and SendGrid clean IP addresses, authenticated domains, and reputation monitoring to ensure emails land in the inbox instead of spam.

Do I need an SMTP relay for my emails?

If you send transactional emails, newsletters, or marketing emails, an SMTP relay service can help improve deliverability and ensure your emails land in the inbox.

What authentication methods does an SMTP relay use?

Common authentication methods include SPF, DKIM, DMARC, and SMTP authentication. These methods help verify the sender and improve email deliverability.

Can I send bulk emails using an SMTP relay?

Yes, but you must follow anti-spam policies to avoid throttling, blacklisting, or account suspension.

What’s the difference between an SMTP relay and a regular email server?

A regular email server sends emails for a single sender and cannot handle high-volume email traffic. Whereas, an SMTP relay service is designed to handle high-volume email delivery efficiently, often by using load-balancing and running clusters of MTA servers.

How can I monitor my email performance with an SMTP relay?

Most services provide analytics, including delivery rates, open rates, bounce tracking, and spam complaint reports. Maileroo offers real-time analytics and detailed reports to help you monitor your email performance.

How do I integrate an SMTP relay with my application?

You can configure it using SMTP credentials in your email client, application, or marketing platform, often requiring simple server settings updates.

How does IP warming work with an SMTP relay?

IP warming gradually increases the sending volume over a new IP address to build a positive reputation with email providers and avoid spam filters.

What’s the difference between SMTP relay and API-based email sending?

SMTP relay uses the SMTP protocol to send emails, while API-based email sending allows direct integration with applications via RESTful APIs for faster and more flexible email sending.

How do I choose the right SMTP service?

Consider factors such as deliverability rates, authentication methods, analytics, pricing, scalability, and customer support. Maileroo offers enterprise-grade reliability and advanced features for high-volume email sending.

What are some well-known SMTP relay services?

Popular SMTP relay services include Maileroo, SendGrid, Mailgun, AWS SES, Postmark, SMTP2GO, Resend and TurboSMTP. Each service offers unique features and pricing plans to suit different email sending needs.

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