pfSense: Auto reboot if Internet connection lost

I use pfSense as both my router and my firewall.  If the ADSL line drops, normally it will come back up a minute later with no problem. But a few times per year, the ADSL line comes back up in a funny state, and I end up having to reboot the pfSense box manually to recover.  So, we can run a script from cron to fix that...

Fix for 100% CPU use in Apple Mail - Mavericks 10.9.3

Migrated to 10.9.3 today. Fired up Mail. 100% CPU, loud fan, hot laptop, slow system... Happens every time.  Happily there's a quick and trivial fix.