Ding ding ding! I do the exact same thing, though my mail filtering server side was more of a side effect of Android's mail clients not being able to do filteri

Ding ding ding! I do the exact same thing, though my mail filtering server side was more of a side effect of Android's mail clients not being able to do filtering and me being tired of my phone buzzing every 30 seconds alerting me of new spam.