KumoMTAKumo Corp
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Related Products
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About
KumoMTA is an Open-Source, enterprise-grade email message transfer agent (MTA) software for sending high-volume, business-critical emails. KumoMTA is typically chosen by high-volume email users looking to replace PowerMTA, Momentum, or traditional Open Source MTAs.
KumoMTA offers high-performance message relay to the tune of millions of messages per hour per server, combined with extreme flexibility and configurability through its use of a Lua scripting engine for configuration and message management.
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About
SendOps is a full email marketing and operations platform built on top of your own Amazon SES account.
It ships what SES doesn't: contact management, dynamic audience segments (written in SendQL), broadcast campaigns, drip workflows and lifecycle automations, React Email templates compiled to SES-native formats, deliverability analytics, message search, and bounce, complaint, and quota alerting — all accessible to your marketing team without touching AWS.
Setup is via CloudFormation. No AWS keys are stored, no relay sits in front of your existing sending path, and your sending reputation stays entirely in your account.
Pricing is flat. No per-contact tax, no email volume tiers — delivery bills at SES rates.
For engineering-led teams that chose SES for cost and ownership, SendOps turns that infrastructure into a complete email platform on day one, without a migration, an SDK swap, or handing control to a managed vendor.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
KumoMTA is best suited for enterprises, email service providers, MailOps teams, high-volume senders, infrastructure teams, deliverability teams, SaaS companies, marketing platforms, and organizations that need open source email infrastructure, MTA software, high-volume message delivery, deployment control, cost predictability, migration support, documentation, and transparent email operations
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Audience
Engineering-led SaaS teams who chose Amazon SES for the cost and reliability — and now need more than AWS gives them to actually operate it.
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
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Pricing
$0
KumoMTA is Open-Source and free to use, those interested in support and services can contact us.
Free Version
Free Trial
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Pricing
$29/month
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationKumo Corp
Founded: 2023
United States
kumomta.com
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Company InformationSendOps
Founded: 2025
United States
sendops.dev
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Categories |
Categories |
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Email Management Features
Data Recovery
Email Archiving
Email Deletion
Email Discovery
Email Monitoring
Email Recall
Queue Manager
Response Management
Routing
Shared Inboxes
Signature Management
Spam Blocker
Whitelisting / Blacklisting
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