Email remains a vital communication tool for both personal and business domains. Having your own mail server not only gives you control but also enhances the security and privacy of your ...

Postfix: The Definitive Guide is a beautifully written book about a beautifully designed program. Kyle Dent's writing is precise and concise without being too dense to read--standards, for example, ...

I would like to know who here uses a linux email server such as postfix in a production environment? If you are using it what type of hardware do you have it on, how many clients is it serving, how do ...

If you're looking to get notified when someone logs into your Linux servers via SSH, Jack Wallen is here to show you how to set this up. I do a lot of testing on open-source software, and sometimes, I ...