GOOGLE PROVIDES YOU GREAT  BUSINESS MAIL SERVICES

Below are the features of Google Apps for business (www.googleapps.com)

Branded Email : with Google-powered search, 30 GB of storage + offline support + configurable with Desktop mail clients +  email delegation functionality

Sharable Calendar :  with Tasks + Events + SMS reminders


Google Drive : to store your files in the cloud, share them, and have access to them from anywhere.
Google Docs : Create, share and work on documents with your whole team in real-time. Over 30 Formats supported for viewing online.

Video Chat: 1 to 1 + 1 to Many in Google Hangout

Administrator Panel with Business controls such as :

+ User creation & Raname


+ User Mobile control & remote wipe

+ Domain  & Department Level Filters + Policies
+ White label & Black lebel of Emails 


+ Application control at Domain level + User level


Google Advantages

+ Client & Google Direct SLA
+ 99.9% uptime guarantee (http://www.google.com/appsstatus)
+ Business-critical data archiving with Google vault (Addon Product)
+ Company-wide data discovery and export