Google 的企業包

1. 可以請 google 代管企業信箱
http://www.google.com/intx/zh-TW/enterprise/apps/business/

2.客製化的方法
http://www.techbang.com/posts/16361-bye-bye-nameless-directly-on-google-blog-cheat-stole-71-special-feature-in-january?page=1