Recent Articles
Only 48 days after the last stable release, we bring you even more MTA goodness. This week, KumoMTA published the...
Slightly before the dawn of the Spring Equinox this year, KumoMTA published the third stable release of 2025. The first...
When we first conceived the idea of KumoMTA, one of the primary goals was to empower people to deploy wherever they...
We've Been Busy It's been a busy year for us here at KumoMTA. We've built three major releases, traveled the world...
KumoMTA was created as a platform for others to build email services on. Our extensive documentation was written...
The world is changing. There is a quiet revolution going on right under our noses. It has been building for years and...
NOTE: This post was originally written for Spam Resource, the initial publication can be seen at...
“First they ignore you, then they laugh at you, then they fight you, then you win.”
Handling email over TLS-encrypted connections has become the default, and KumoMTA supports TLS for all messages in and...
tl,dr: KumoMTA is not just Open-Source, it's also the best MTA on the planet for large-scale senders.