Upgrading the operating system of a server can be easy, and it can be painful. I upgraded four of them, and as only three had issues, I consider myself lucky. Nonetheless, this wasn't easy.
All tagged sendmail
MTA-STS: Why and How I Did It
I closed a security hole on my mail server. Granted, one could barely see the hole, and the chances of compromise are quite low, but everything counts. Right? Right?
Blast from the Past: Two Bugs, One Email
The original story behind an old bug. An interesting look into bug hunting almost two decades ago.
Talon
There are reasons I run my own mail server, they may seem paranoid but they are not. Well. not too paranoid...
Server Error
It's Friday afternoon, and one console error message can ruin the entire day.
Researcher's Plight: Sendmail
Security research is a lot of fun. Except when a bunch of people complain.