A rich hosted Exchange environment for every user without having to manage a server.
http://www.microsoft.com/exchange/en-us/exchange-online-hosted-email.aspx
Email Hosting Providers · Business Email Hosting
Get access to data on 15,648,047 websites that are Microsoft Exchange Online Customers. We know of 13,220,395 live websites using Microsoft Exchange Online and an additional 2,427,652 sites that used Microsoft Exchange Online historically and 2,376,435 websites in the United States.
Microsoft Exchange Online websites that are also using other technologies.
Get a list of 15,648,047 websites using Microsoft Exchange Online which includes location information, hosting data, contact details, 13,220,395 currently live websites and an additional 2,224,155 domains that redirect to sites in this list. 2,427,652 sites that used this technology previously and 2,376,435 websites in the United States currently using Microsoft Exchange Online.
Countries
Financial
Group
Region