Scale Your Sending with Momentum MTA. Customize and scale your email sending with Bird's powerful Momentum MTA.

Powerful infrastructure built for any use case.
Tailored email sending that fits your tech stack and business requirements.
Customize and scale your email infrastructure.
Powerful email infrastructure

Powerful email infrastructure
Whatever your tech stack looks like, and no matter what your sending requirements are, Momentum can be tailored to fit your business. Bird's the first commercial MTA to provide SMTPUTF8 support, allowing emails with Unicode characters in mail header fields — reach audiences worldwide with comprehensive language support.

Control your sending workflow
The brain of the platform lets you develop customized workflow rules. Support your unique business processes with flexible policies. Create tailored sending strategies that adapt to your operational requirements.

Enterprise-grade protection
TLS encryption ensures compliance with industry standards and improved brand protection by securing emails during transport. The system supports the latest SMTP authentication and accreditation techniques.

Outbound controls
Mail segregation based on custom rules with individual delivery parameters that adjust dynamically based on deliverability results. Send messages at lightning speed and extraordinarily high volumes, according to your precise instructions, ensuring reliable email delivery at scale.
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Momentum MTA is Bird's enterprise email infrastructure platform. It can be tailored to any tech stack and sending requirement, supporting everything from moderate volumes to extraordinarily high sending rates. The platform adjusts dynamically based on deliverability results so performance remains consistent as you scale.
Momentum uses outbound controls with mail segregation based on custom rules. Delivery parameters adjust dynamically based on deliverability results, ensuring your emails reach recipients reliably. The platform's workflow engine lets you define precise sending strategies to maintain optimal inbox placement.
Momentum includes TLS encryption for email transport security, compliance with industry standards, and support for the latest SMTP authentication and accreditation techniques. These features protect your brand and ensure emails are delivered securely.
Bird's Momentum is the first commercial MTA to provide SMTPUTF8 support, allowing emails with Unicode characters in mail header fields. This enables you to reach global audiences with comprehensive language support, including non-Latin scripts and special characters.
Momentum's workflow engine lets you develop customized workflow rules and flexible policies to support your unique business processes. You can create tailored sending strategies, configure mail segregation with custom rules, and set individual delivery parameters for different message streams.
Momentum dynamically adjusts delivery parameters based on real-time deliverability results. You can monitor sending performance across all streams and receive insights that allow you to take immediate action when delivery conditions change.