Recent Articles

Introducing the 2024 Fall Release

We're pleased to announce the Fall 2024 release, now available through our repos and Docker container.

Protect Your Shared Infrastructure With Tenant Throttles

One thing many ESPs have in common is the risk created by self-serve signups: a new user signs up for a free or even...

The KumoMTA Summer Release - Greater Than the Sum of its Parts

Summer is coming to an end, and we're finishing it off with a new production release. While this particular release...

KumoMTA Community Roundup

My favorite part about KumoMTA being Open-Source is our growing community. They not only help each other in our...

ARM Yourself With the KumoMTA Spring Release

We're pleased to announce that the new KumoMTA Spring Release is now available in GA!

Protect Your Deliverability With An Abuse Page

When you operate a multi tenant sending environment compliance is a major portion of your operations, and yet on...

Moving Beyond IP Reputation

NOTE: This post was originally written for Spam Resource, the initial publication can be seen at...

Setting the Record Straight

“First they ignore you, then they laugh at you, then they fight you, then you win.”

KumoMTA is More Than Just Open-Source

tl,dr: KumoMTA is not just Open-Source, it's also the best MTA on the planet for large-scale senders.

Happy Birthday KumoMTA!

It was one year ago that KumoMTA was officially born, with Wez making the first commit to the main repo (see it here)!