Scale your sending your way

Customize Bird’s Momentum MTA to fit all of your needs, at whatever scale you require.

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TRUSTED BY OVER 25,000 BUSINESSES

The ultimate email infrastructure platform

Powerful and flexible

Whatever your tech stack looks like, and no matter what your sending requirements are, Momentum can be tailored to fit your business. As the foundation of Bird’s own email sending, our Momentum technology powers Bird Email (formerly SparkPost), the world’s #1 email delivery provider.

Highly customizable

If it’s possible in the world of email, it’s possible with Momentum. Our software outperforms any cloud or on-premises alternative, and provides them with the flexibility, deliverability and control they need to drive the highest possible customer engagement for their business.

Powerful features and flexibility

Message Transfer Agent

Send messages at lightning speed and extraordinarily high volumes, according to your precise instructions, ensuring reliable email delivery.

International Reach

The first commercial MTA to provide SMTPUTF8 support, allowing emails to be sent to recipients using Unicode characters in mail header fields.

Intelligence Router

Information is instantly transmitted to and from all data sources, even in clustered environments, keeping everyone informed in real time.

Policy Manager

The brain of the platform — lets you develop customized workflow rules to support your unique business processes.

Outbound Protocol Manager

Supporting the latest SMTP authentication and accreditation techniques, checks outgoing mail against spam URLs and flow control limits, ensuring maximum deliverability.

Outbound Flow Controller

Define FAQs and provide conversational support based on intent and sentiment detection—all within your Inbox.

Outbound Gateway

Control the way messages are sent: mail is segregated according to your rules, with individual delivery parameters that adjust dynamically based on deliverability results.