Recent Articles

KumoMTA Year In Review - 2024

We've Been Busy It's been a busy year for us here at KumoMTA. We've built three major releases, traveled the world...

User Spotlight: Mailtinni

KumoMTA was created as a platform for others to build email services on. Our extensive documentation was written...

Where the money goes

The world is changing. There is a quiet revolution going on right under our noses. It has been building for years and...

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.”

Using LetsEncrypt with KumoMTA

Handling email over TLS-encrypted connections has become the default, and KumoMTA supports TLS for all messages in and...

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)!

High Volume Email on Microsoft?

If you are a Microsoft fan and want all your tech to be Microsoft branded, you likely have felt a little disappointed...

AboutMyEmail Testing Tool

MailOps engineers have a lot on their plates. If it's not a firewall thing, its a server thing, or a DNS thing, or a...