I run my own email server
Care to point me in right direction for that? My filter ain’t catching what they need to.
I’m using MailScanner. It’s free. It’s not too terrible to setup. I’m using Ubuntu 14 for the OS. The write up gets you going quick, but I recommend you take some time to configure PostFix properly. The MailScanner and SpamAssassin products are locked down out of the box.