Office 365's Packages have recently changed, as of 1st of October 2014. 

All existing packages are being discontinued and in place the following packages are available.

· Office 365 Business

· Office 365 Business Essentials

· Office 365 Business Premium

All of the above packages with exception of Office 365 Business have Exchange On-line incorporated, which is essentially the functionality that is needed to configure inbound and outbound mail flow to and from our service.