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 ...

The winner of Linux Journal's 2004 Editors' Choice Award for Security Tool was ClamAV, a 100% free and open-source virus scanner that runs on Linux but scans for viruses that affect a variety of ...

Build Your Skills: Block spam at the server with these Postfix techniques Your email has been sent Explores some of the principles of configuring Postfix to accept or reject messages before they ever ...

[TL;DR at bottom]<br><br>I do a lot of the server administration at my company. We have around 1500 employees spread out over 100 regional offices (which are all on one WAN using OpenVPN). On the back ...

Subject does most of the work here, but I'll expand. [edit] Maybe if I had just RTFM'd harder I would've found my answers... I think this will help, but leaving the post up in case anybody else has ...

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 ...