EMS will act as a gateway server thus protecting your Exchange server from being exposed to the outside world.
Mails for mailboxes not found on exchange would be delivered to EMS & vice versa
Mail to outside world would be relayed from the EMS
Centralized Active Directory (ADS) authentication
Single user creation – No need to create users in EMS
COST COMPARISON BETWEEN LEGAL MS EXCHANGE & NETCORE’S EMS Considering 1$= INR 45 MS Exchange 07 Cost(INR) netCORE’s EMS 6.x Cost(INR) Windows Standard Server 26,357 CentOS Free Windows CALS per user(50) 55,890 Not required Free Exchange Standard Server 25,917 Server License Free Exchange CALS per user(50) 1,14,705 EMS CALS per user(50 ) 50,000/- Total 2,22,869 Total 50,000 Savings(in terms of cost)= 1,72,869 Savings(in terms of percentage)= 345.74%