Blacklist Checker

This is a nice little php script that you can run in the background via cron to constantly check your mail servers (or any server you have that deals with mail) and alert you via slack I know there are things out there like mxtoolbox that can do this for you, and include a larger list of blacklists, but I wanted something I could run on our own infrastructure that did what I wanted, and alerted me via slack (much cooler then email alerts). Read more