Recent Articles
MTA,
On-Prem,
Postfix,
Sendmail,
Open-Source,
Multi-Tenant,
Traffic Shaping,
mailops,
alternative,
replacement
- Tom Mairs
- October 8, 2025
Postfix is probably the most recognizable and most accessible email engine available. That does not mean it is the best...
- Mike Hillyer
- July 11, 2023
Tl;Dr: As email moved from self-hosted to mailbox providers to white-label hosting with custom domains, both...
- Tom Mairs
- July 6, 2023
Um, what? What exactly is a Kumo, and why would you want one?
- Mike Hillyer
- June 22, 2023
Over the years the MTA landscape has grown more sophisticated. In the beginning, Open-Source MTAs like Postfix and...
- Mike Hillyer
- June 6, 2023
Introduction I was recently watching a live stream of the excellent Deliverability Summit conference in Prague and was...