Average Ratings 4 Ratings

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Average Ratings 0 Ratings

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Description

KumoMTA is an open source mail transfer agent and email infrastructure platform for enterprises, MailOps teams, and high-volume senders. The platform is built to provide the control, scalability, transparency, and continuity that organizations need when email delivery is central to their business. KumoMTA is positioned as an alternative to commercially licensed MTA providers that may create pricing shocks, renewal risk, vendor dependency, or black-box infrastructure limitations. The platform can deliver tens of millions of messages per hour on a single instance and is designed to support large-scale sending without data loss. Its open source model gives teams direct access to the code and more authority over deployment, operations, and long-term infrastructure decisions. KumoMTA also emphasizes performance, resilience, cost predictability, fairness, and transparent stewardship. The community includes developers, security researchers, and enterprises that help audit code, identify vulnerabilities, and improve the platform over time. KumoMTA provides extensive documentation, a community forum, GitHub repository, migration resources, and support options for teams moving from other MTA platforms. By combining open source email infrastructure, high-volume performance, operational control, community development, documentation, and enterprise support, KumoMTA helps organizations invest in their own email infrastructure with greater confidence.

Description

The optimal approach to constructing your mail server using open source software is to utilize platforms such as CentOS Stream, Rocky, Alma, Debian, Ubuntu, FreeBSD, and OpenBSD. By employing iRedMail, you can set up a FREE, OPEN SOURCE, and COMPLETELY FUNCTIONAL mail server in just a few minutes. We have taken care of the complexities by assembling all necessary open source components and implementing best practices, allowing our product to handle all essential tasks on your behalf. In addition, we provide professional support to assist you should you encounter any issues. You maintain complete ownership of your personal data stored on your hard drive, giving you the ability to control email security and review transaction logs. No external organization has access to the content of your communications. All components integrated into iRedMail are based on open source software, ensuring you receive bug fixes and updates from reputable Linux/BSD vendors. With iRedMail, you are not only building a mail server but also gaining peace of mind knowing that your email system is secure and private. In this way, iRedMail stands out as the definitive solution for those looking to establish a mail server using open source software.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

AWS Marketplace No 
AlmaLinux No 
Azure Marketplace No 
CentOS No 
Debian No 
FreeBSD No 
Ongage Yes 
OpenBSD No 
Postmastery Yes 
Prometheus Yes 
Rocky Linux No 
Ubuntu No 

Integrations

AWS Marketplace Yes 
AlmaLinux Yes 
Azure Marketplace Yes 
CentOS Yes 
Debian Yes 
FreeBSD Yes 
Ongage No 
OpenBSD Yes 
Postmastery No 
Prometheus No 
Rocky Linux Yes 
Ubuntu Yes 

Pricing Details

$0
KumoMTA is Open-Source and free to use, those interested in support and services can contact us.
Free Trial Yes 
Free Version Yes 

Pricing Details

Free
Open source
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux Yes 
Chromebook No 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux Yes 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) Yes 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Kumo Corp

Founded

2023

Country

United States

Website

kumomta.com

Vendor Details

Company Name

iRedMail

Founded

2007

Website

www.iredmail.org

Product Features

Email Management

Data Recovery No 
Email Archiving Yes 
Email Deletion No 
Email Discovery No 
Email Monitoring Yes 
Email Recall No 
Queue Manager Yes 
Response Management No 
Routing Yes 
Shared Inboxes No 
Signature Management No 
Spam Blocker No 
Whitelisting / Blacklisting Yes 

Product Features

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