Flat-rate email with dedicated infrastructure.
Send email on dedicated servers and IPs, with no shared sending pools. Unlimited sending via SMTP or API.
Contact UsWhat Makes Us Different
Dedicated email infrastructure, built for senders who need control, performance, and deliverability.
Dedicated Infrastructure
No shared sending pools, no shared CPU cycles. Dedicated IPs on fast, modern hardware.
Unlimited Sending
No per-message tiers, bandwidth costs, or overage charges. Send as much as you need.
Simple Integration
Standard SMTP relay and simple HTTP API. Drop in your credentials and start sending.
Deliverability Focused
Expert configuration, proper authentication, and proactive support to maximize inbox placement.
High Availability
Deploy redundant servers with load balancing and automatic failover when uptime and performance are mission critical.
Fast AF
Easily scale to millions of messages per hour. Powered by Kumo, modern hardware, and backed by a team of deliverability experts.
Real-Time Visibility
Monitor delivery rates, queue depth, and latency across your dedicated infrastructure. Every metric, every destination, at a glance.

Control Freaks Welcome
Domain-level queue management, guided DNS authentication, access credentials scoped by domain and IP, and more. Every lever you need, nothing you don't.

Zero Black Boxes
Stream every event. Webhooks for real-time, S3 for archival. Pipe delivery data straight into your stack.

Frequently Asked Questions
Everything you need to know before you start sending.
Sending & Policies
Technical/Integration
Infrastructure
Onboarding
Support
Product Scope
Security
Ready to get started?
Dedicated IPs. Unlimited volume. Get in touch to learn more.
Get in Touch
Have questions? We're here to help.
Address
unMTA, LLC1500 N Grant St # 7048
Denver, CO 80203