I use console applications – a lot. When it comes to running multiple programs on a computer, GNU screen is essential, but I find myself connecting to multiple servers and running GNU screen in each. It’s possible to run GNU screen under GNU screen, but it can get messy getting the keyboard shortcuts right. I needed a tabbed terminal program.
Having recently been battling to keep some servers out of the CBL, I decided it was time to get strict on what the email servers were accepting, so I created an Exim ACL to reject non-RFC2821 compliant HELO/EHLO strings. (more…)