
SMTP Relay & Email API
Two ways in. Drop our SMTP credentials into any app, or call the Email API directly. Both take minutes, both just work.
Built for developers and marketers who want reliable email delivery without the SendGrid complexity. Maileroo gives you simple SMTP setup, a powerful Email API, and pricing that makes more sense as you grow.
SendGrid can make sending emails feel complex. Maileroo is designed for simplicity, with a clean, user-friendly interface that gets you from sign-up to sending in no time. Make the switch today.
Whether you're a small business or a large enterprise, Maileroo offers budget-friendly pricing that fits your needs without hidden fees.
Plans offering 250K emails or more include a dedicated IP at no extra cost, improving your inbox placement and sender reputation.
Real-time email delivery tracking shows you exactly when your emails are sent, delivered, opened, and clicked as it happens.
From sign up to sending your first email, Maileroo makes it easy to get started. Spend less time setting up and more time sending.
Maileroo's sending IPs sit on the Certified Senders Alliance whitelist for better inbox placement at 35+ European mailbox providers.
SAML SSO, scoped API keys per application, and SMTP credential IP restrictions. Enterprise security without the enterprise contract.
Start sending emails for free, then upgrade as your business grows with flexible plans, generous limits, and predictable pricing for everyone.
Pick a plan based on how many emails you send each month. You can upgrade, downgrade, or cancel anytime. No lock-in, no hidden fees.
A quick look at how Maileroo and SendGrid compare across pricing, sending tools, tracking, deliverability features, and support.
Send with confidence, track every message as it moves, and tune your performance. One platform, built developer-first. And deliverability? We fine-tune it obsessively behind the scenes, so your emails land where they should.

Two ways in. Drop our SMTP credentials into any app, or call the Email API directly. Both take minutes, both just work.

Sent, delivered, opened, clicked: watch every event the moment it happens. When something breaks, the logs tell you why.

Open rates, click rates, bounces, complaints. The numbers you need to sharpen your sending, all in one dashboard.

Push bounces, opens, clicks, and deliveries straight into your application the instant they happen. Your app stays in sync without polling.

Put tracking links on your own domain. Better brand consistency, better deliverability. SSL is provisioned for you, and setup takes one click.

Retire the no-reply address. Replies land in your inbox, routed by Maileroo, so real conversations can happen.
Everything you need to migrate, configure, and start sending emails without downtime. Maileroo is built to make switching simple, from your first API request to your first successful delivery.
No migration drama. Swap your SMTP credentials and start sending through Maileroo, with emails delivered in under 1.5 seconds.
Prefer an API? Maileroo's RESTful API is clearly documented and quick to set up. You also get real-time tracking, searchable delivery logs, and support from people who can help if anything needs a hand along the way.
Tired of waiting days for a SendGrid support reply? Maileroo's engineers respond quickly and explain things in language you can actually understand.
Get help with DNS setup, deliverability, integrations, and account questions through email and live chat. Fast answers. Real solutions. No runaround.
"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."



From deliverability and infrastructure to pricing and integrations, here's what developers ask us most before they send their first email.
Maileroo is an email delivery platform designed to help businesses send both transactional and marketing emails reliably and at scale. We provide a simple yet powerful API, SMTP integration, and a user-friendly dashboard that makes it easy to manage your email communication from a single place. With a focus on deliverability, security, and ease of use, Maileroo handles the complexities of email infrastructure so you can focus on your product. From startups to enterprises, Maileroo offers scalable plans and dedicated support to ensure your emails reach the inbox every time.
Maileroo supports both transactional and marketing emails. You can send transactional emails such as password resets, order confirmations, invoices, and notifications, as well as marketing emails to users who have explicitly opted in to receive them. Whether you're sending automated system emails or managing marketing campaigns, Maileroo provides the tools to automate all of your email communication from a single platform. If unsure about the type of email you're sending, you can always contact our support team for guidance.
Maileroo is built with deliverability at its core. We use strict account verification, continuous monitoring, intelligent automation, and proprietary abuse detection to protect our sending reputation and reduce spam. Combined with automatic suppression handling, SPF, DKIM, and DMARC support, and ongoing infrastructure maintenance, these safeguards give legitimate senders the best chance of reaching the inbox.
Maileroo's infrastructure is strategically hosted in Germany, Netherlands, Finland and France, providing exceptional performance, reliability, and security for customers worldwide. Our infrastructure is fully GDPR compliant, ensuring your data is handled in accordance with strict European data protection regulations. With enterprise-grade security and modern data centers, you can trust that your data is safe with us.
Maileroo provides support through live chat and email, with our team based in Australia to provide both general and technical assistance. Our team is available from 9 AM to 9 PM Melbourne time. Whether you need help with setup, configuration, integrations, or troubleshooting, our experienced team is available to help you get connected and running smoothly. We understand that email infrastructure is critical to your business, which is why providing fast, knowledgeable support is a key priority for us. Our team has the technical background to assist with complex setups and ensure you have the support you need when you need it.
All Maileroo plans include a monthly email quota. If you exceed your allocated quota, any additional emails will not be sent until your quota resets or your plan is upgraded. For paying users, we include a 12% buffer on your monthly quota, giving you extra flexibility in case of unexpected spikes in sending volume. In addition to monthly limits, we apply an hourly sending limits to accounts as a security measure to help protect our sending infrastructure and maintain deliverability. These limits can be easily increased through your dashboard by submitting a request, and our team can quickly review and adjust them to ensure your email sending is not impacted.
We accept credit card or debit card including Visa, Mastercard and American Express, along with PayPal and cryptocurrency payments.
Yes, Maileroo is built to support businesses of all sizes, from startups and small teams to agencies and large enterprises. We offer scalable plans starting from a free 3,000 emails per month option through to custom solutions designed for businesses sending millions of emails and beyond. Our infrastructure is built to scale with your growth, providing reliable email delivery, flexible sending capacity, and the tools needed to power email communication for businesses of all sizes.
Yes. Non-profits and open-source projects get 50% off every Maileroo plan. Get in touch with a short note about what you're building and we'll set it up. No lengthy application, no annual commitment.