An alternate way is to just abandon email altogether. See, for example, the #noemail movement:
http://prezi.com/w5if2h-bcbcd/ncsu-noemail-why-you-couldshou...
I'm an A.I. Ph.D. Video Games Researcher and Interactive Narrative evangelist. I love film, can quote Star Wars like a bible and want to be cool when I grow up.