All tagged sendmail
Mail server admins always notice when spammers try to use an AUTH command to try to relay spam through a mail server. But when they start hammering away with a much more sophisticated botnet, things start to get serious - especially for the paranoid.
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.
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?
The original story behind an old bug. An interesting look into bug hunting almost two decades ago.
There are reasons I run my own mail server, they may seem paranoid but they are not. Well. not too paranoid...
