I've been running my own mail server for this domain and several others for a few years. I could have used our main mail servers, but I like messing around with the server settings and trying out new things.One thing that I hadn't been checking too stringently on my inbound email was SPF.Sure, I had it set up on several of my domains so that anyone else getting mail from me … [Read more...] about Tweaking Spam Filters
Ubuntu
Ubuntu Gets A Visual MakeOver
Ubuntu, which is one of the more popular Linux distributions these days, has unveiled a completely new look.It's got a new logo:And a whole new range of styles for just about every other visual asset associated with the brand, both online and on the users' desktops.The new look is very slick compared to the "old" image of Linux distributions as being ugly, yet functionalFull … [Read more...] about Ubuntu Gets A Visual MakeOver
Cleaning Up Old Configs On Ubuntu / Debian
Image via WikipediaThis is more for my own use than anyone else...If you remove a package in Debian / Ubuntu you often end up with legacy configuration files lying around.Running the following command removes all the crud left lying around your system and may fix silly issues that you run into. As it's Linux, there's probably about 10 other ways to do this!Here's the … [Read more...] about Cleaning Up Old Configs On Ubuntu / Debian
Logging Email From PHP Scripts
This is more a note for myself than anything else ...By default a lot of php scripts will send emails that appear as coming from the Apache user, which makes tracking down a rogue script really annoying and time-consuming.You end up with entries in the mail logs similar to this one:Apr 27 18:22:29 servername postfix/qmgr[23581]: 0F53421C1FA: … [Read more...] about Logging Email From PHP Scripts
Ubuntu Jaunty Upgrade Not A Pleasant Experience
So I decided last night I'd upgrade my Ubuntu desktop to the latest release...The upgrade process itself was quite painless, but the post-upgrade "cleanup" is driving me mad.After rebooting into the new version of Ubuntu the audio had stopped working. Loading up alsamixer from the command line and playing around with it for a while eventually resolved that.. though it was … [Read more...] about Ubuntu Jaunty Upgrade Not A Pleasant Experience