Recent Articles

Easy config conversions

One of the Professional Services we offer at Kumo Corp is config conversion from an existing system to KumoMTA. This...

Rust, Lua, and KumoMTA

After talking to many high-volume senders, we know there is a common need to employ a tactic whereby messages are...

How we built the most performant Message Transfer Agent on the planet

Getting started When we started talking about building an MTA, there were a couple of items we knew had to be top of...

Site Names - The Right Solution for MX Rollup

Tl;Dr: As email moved from self-hosted to mailbox providers to white-label hosting with custom domains, both...

Getting your Kumo On

Um, what? What exactly is a Kumo, and why would you want one?

Announcing General Availability of KumoMTA (and First Production Deployment)

Introduction Today we're pleased to announce that KumoMTA is out of beta a full two months early!!

Native Tenant Awareness - No More Ambiguity

Over the years the MTA landscape has grown more sophisticated. In the beginning, Open-Source MTAs like Postfix and...

Open-Source MTAs - Now the Right Choice for Large-Scale Senders

Introduction I was recently watching a live stream of the excellent Deliverability Summit conference in Prague and was...

Understanding Message Transfer Agents (MTAs): The Backbone of Email Communication

Introduction In today's digital age, email has become an integral part of our personal and professional lives. We rely...

Announcing KumoMTA Beta 2

Today's another major milestone in the evolution of KumoMTA with our release of Beta 2!