Comment Reboot Restore (Score 1) 334
Have you looked into reboot restore, or any of the other tools that re-image the drive on each boot? Someone that works at a School or University could suggest a good one. That way almost all tech support can be solved with "Have you tried turning it off and on again?".
I'd also look into a better email service. Using a fairly cheap service such as Fastmail comes with much better Spam protection.