Recent Articles

Still on Postfix? Lets talk about KumoMTA

Postfix is probably the most recognizable and most accessible email engine available. That does not mean it is the best...

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...

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?

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...