The world’s leading email sending and delivery platform



Deliver more emails
We don’t just send emails, we make sure they are delivered — with optimal placement and low latency. Our platform processes millions of data points in real-time to surface and resolve issues that would otherwise negatively impact your performance.
With great data comes
greater deliverability
Maintain an optimal inbox placement
The platform comes pre-configured for top inbox placement with providers like Gmail — and offers a complete set of tools to monitor reputation and resolve issues like hitting spam traps and blocklists.
Automated delivery optimization by default
Reduce bounces, blocks and delays for every ISP and in every market by leveraging optimization models aggregating data from millions of emails in real time.
Dedicated deliverability experts
Put the industry leading experts to work for you. Our team proactively works with ISP and Inbox providers to resolve issues and ensure your emails get delivered.

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Trusted to deliver 40% of all commercial email
Auto-scale your sending
Whether you want to send 100 messages or a billion, you get the same low latency — less than two seconds in transit.
Handle volume-surges with ease
Our burst-rate SLA guarantees more than 10,000 messages per second.
Enterprise-grade security, compliant worldwide
Ensure security with 2FA, intrusion detection and email encryption on our SOC 2 certified platform. Authenticate with DMARC, SPF and DKIM, plus stay GDPR compliant.
Trusted by enterprises,
loved by developers
Take full control of the platform with intuitive APIs that allow you to manipulate templates, generate messages, send emails, analyze performance data and much more.
Client and server libraries in everything from Go, PHP, Node and more.
In-depth migration guides when moving from another service.
Thorough documentation to help devs build quickly and efficiently.
Simple, step-by-step tutorials and guides to help you get started.
Ready to take full control?
PowerMTA is an enterprise-grade email message transfer agent (MTA) tailored for high-volume senders and ESP. Host it on-premise or in the cloud and take full control of hardware provisioning. Leverage built-in bounce categorization and easily scale to millions of payload injections per hour.
Pricing and support tailored to massive scale
Volume-based licensing makes scaling up and down easy, as you only pay for the emails you send. White-glove support gives you direct access to large-scale email experts around the clock.
“Honestly, I cannot say enough good things about the PowerMTA software.”Learn more
The power of email in action
Learn how leading brands use SparkPost to drive business results. From account creations to re-engagement campaigns, the world’s most sophisticated senders trust our platform to deliver billions of emails every day.
You're in good hands
Enterprise-grade security is built into our products by default.
24/7 support for you and your team, with MessageBird offices in 7 countries.
Built for international laws and regulations, including GDPR and PSD2.