Average Ratings 4 Ratings
Average Ratings 1 Rating
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
hMailServer is a complimentary and open-source email server designed for the Microsoft Windows platform. It is utilized globally by various entities, including internet service providers, businesses, governmental organizations, educational institutions, and individual users with a passion for technology.
The server accommodates standard email protocols such as IMAP, SMTP, and POP3, making it compatible with numerous existing webmail systems. Additionally, it features a customizable score-based spam protection system and can be integrated with virus scanners to ensure that all incoming and outgoing emails are thoroughly checked for threats. This versatility makes hMailServer a popular choice for those seeking a reliable email solution.
API Access
Has API
Yes
API Access
Has API
No
Integrations
AWS Marketplace
No
Azure Marketplace
No
Ongage
Yes
Postmastery
Yes
Prometheus
Yes
Roundcube
No
SquirrelMail
No
Integrations
AWS Marketplace
Yes
Azure Marketplace
Yes
Ongage
No
Postmastery
No
Prometheus
No
Roundcube
Yes
SquirrelMail
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
Yes
Mac
No
Linux
No
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
hMailServer
Founded
2002
Website
www.hmailserver.com
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