So, there are a lot of databases out there. I’ve used more than a handful. Commercial, Proprietary, Free, Open, etc. The two databases I’ve used most are Oracle and MySQL and let me say that I like them both immensely. However, recently we considered putting database support into a commercial, proprietary application and MySQL concerned and confused me.Recently, SPFv1has been popular – likely due to the recent publication of SPF records by Internet giant AOL.