A self-hosted mail transfer agent for enterprise
See clearly and act fast withrich analytics
PowerMTA includes SparkPost Signals, offering a complete view of your email sending.
Identify delivery issues
Review more than 35 individual metrics that impact your deliverability and engagement, including delivery, bounces, and blocks.
Engagement tracking
PowerMTA with Signals can handle all of this without additional integrations – reducing the complexity of your system and saving you time and money.
Proactive alerting and insights
Get specific recommendations on how to resolve high-priority issues such as list quality or low recipient engagement before they drag down your email performance.
Sending thats reliable, scalable, flexible
PowerMTA provides unsurpassed delivery and performance in a stable SMTP environment. High-speed sending with total control.
Real-time delivery modifications
PowerMTA provides real-time monitoring of your sender reputation through SMTP responses received from Inbox providers.
Flexible reporting
We are continuously improving our monitoring and reporting tools including; web, XML, and JSON-based reporting and delivery monitoring and more.
Volume-based licensing
With a PowerMTA volume license, you pay per volume,, so scaling up and down seasonally, disaster recovery, and testing is easier than ever before.
Fewer servers
instead of adding more servers, PowerMTA helps you deliver greater performance on fewer servers.
Trusted by 25,000 customers
Matahari, the largest retail platform in Indonesia — managed to reach millions of customers with a delivery rate of 98%, and achieved conversion rates 2.5 times the industry average.
“PowerMTA has provided Sailthru with a rock solid application that we can push to the limits—and we never have to worry about missing a beat.”
Ken Pfeiffer
Director of Global Delivery