Get total control of your email deliverability with PowerMTA
ESPs, deliverability pros, and high-volume senders use PowerMTA to send marketing and transactional emails that will always land.
PowerMTA for mission-critical email operations
PowerMTA by SparkPost is an email message transfer agent (MTA) built for scalable, reliable, and timely email delivery.
Used by over 70% of the world's largest ESPs, PowerMTA drives email at MailChimp, Microsoft, Adestra, and other major senders.
As a high-performance alternative to open source MTAs and smaller competitors, PowerMTA sends high-volume marketing and transactional emails following the latest standards, mailbox provider guidelines, and deliverability best practices.
PowerMTA is considered best-in-class by email service providers and on-premise senders.
Why choose PowerMTA
as your email delivery software?
Pay once, send unlimited emails
Stop paying bills that punish your growth.
Total control over your sending
Optimize every detail of your configuration.
Full visibility over deliverability
Know exactly why emails bounce.
Keep your data private
Your list, your servers, your eyes only.
Designed for high-volume delivery
Scales to millions per hour and hundreds of IPs per server.
Easy to install and configure
Installs with one command and runs on Linux and Windows.
Undisputed market leader
Trusted by renowned senders for its reliability and performance.
Designed for high-volume delivery
Other MTAs are built for receiving. PowerMTA focuses on email delivery.
More delivery controls
Configure every aspect of your sending to ensure your emails land.
Send more with fewer servers
Grow your delivery volume with a single PowerMTA instance.
PowerMTA vs SMTP providers
Pay once, send unlimited emails.
Stop paying bills that punish your growth.
Total control over your sending.
Optimize every detail of your configuration.
Full visibility over deliverability.
Know exactly why emails bounce.
Keep your data private
Your list, your servers, your eyes only.
PowerMTA vs smaller competitors
Designed for high-volume delivery.
Scales to millions per hour and hundreds of IPs per server.
Easy to install and manage.
Use a visual UI to configure your operation.
Undisputed market leader.
Trusted by renowned senders to keep up with best practices.
PowerMTA vs open source MTAs
Designed for high-volume delivery.
Other MTAs are built for receiving. PowerMTA focuses on email delivery.
More delivery controls.
Configure every aspect of your sending to ensure your emails land.
Send more with fewer servers.
Grow your delivery volume with a single PowerMTA instance.
Get help from the most experienced email consultants in the market
Set up, optimize, monitor or migrate your PowerMTA with assistance from Maarten Oelering and a team of renowned email engineers.
Installation
With 200+ parameters, installing PowerMTA gets overwhelming. Postmastery does it for you, meeting your email delivery requirements.
Assessment
Fix limited throughput, long delivery times, errors, retries and other provider-specific issues. Get PowerMTA sending at full potential.
Monitoring
Postmastery proactively monitors your infrastructure and logs to ensure your emails are hitting the inbox.
Migration
Specialists are ready to migrate your PowerMTA(s) to new on-prem hardware or cloud (AWS, Azure etc.)
Optimal delivery to the biggest inbox providers
Send more emails with a single server
A single PowerMTA can handle 1M to 3M messages an hour. Configure virtual MTAs to separate mail streams and IPs on a single server, and grow your sending volume.
- High performance on commodity servers
- Parallel delivery of multiple mail streams
- Send over many IPs from a single server
Optimize your sending at all levels
Define and manage your settings at global, provider, domain, IP, and pool levels. PowerMTA makes it easy to comply with mailbox provider guidelines.
- Protect reputation with automatic backoff
- Automatic IP warm-up
- Global, provider, domain, IP, and pool level config
Get more data to analyze and fix your sending
See meaningful transaction data for each message that leaves your server. Understand why emails bounce and the response behind each recipient.
- Process bounces and FBL reports
- Send delivery events via webhooks
- Integrate with reporting tools
Keep your reputation safe according to the latest standards
Build a fully compliant email operation. As a market leader, PowerMTA is always on top of the latest email standards and provider guidelines.
- Customer DKIM
- Double DKIM signing
- Control over the use of TLS
- Support for DANE
Who is PowerMTA for?
Email Service Providers
PowerMTA is the email delivery software of choice for more than 70% of ESPs in business.
Large brands
You've outgrown your current setup and want to manage multiple IPs and domains at an affordable price.
Marketing agencies
You need to increase your sending and want a secure, reliable platform to manage your campaigns.
Postmastery is a SparkPost PowerMTA professional service partner and global reseller
Setting up your own mail transfer agent can be a daunting task. Postmastery will assess your business and suggest a setup that matches your sending volume and email marketing needs, at a price your company afford.
How Bluetooth sends millions of business-critical emails with PowerMTA
"PowerMTA and Postmastery provided us with the ultimate Azure-based email solution. Fully managed with 100% visibility."
Jeremy Syme | Program Manager at Bluetooth