Before you delve into the process of creating an SMTP server for your small business, consider whether it requires a dedicated mail server for security, or if you can configure your messages to bounce ...

Sendmail is an extraordinary piece of software, adaptable for complex to modest installations with different needs. Almost every UNIX administrator has faced the installation and configuration ...

I've been playing with Trixbox and Elastix for a little while now. This has been my only experience with *nix, but I've learned a bit over the past year. I was having issues with Trixbox so I moved to ...

So I've decided to setup my home Ubuntu machine so that I can access it via ssh. Here's what I did: Opened port 22 (ssh) & port 25 (smtp) on router for my Ubuntu box. Setup up ssh to only allow a ...